diff --git a/application/src/main/java/org/thingsboard/server/controller/AlarmController.java b/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
index 9920e232de..b36b5eaa73 100644
--- a/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
@@ -80,7 +80,7 @@ public class AlarmController extends BaseController {
     private static final String ALARM_QUERY_SEARCH_STATUS_ALLOWABLE_VALUES = "ANY, ACTIVE, CLEARED, ACK, UNACK";
     private static final String ALARM_QUERY_STATUS_DESCRIPTION = "A string value representing one of the AlarmStatus enumeration value";
     private static final String ALARM_QUERY_STATUS_ALLOWABLE_VALUES = "ACTIVE_UNACK, ACTIVE_ACK, CLEARED_UNACK, CLEARED_ACK";
-    private static final String ALARM_QUERY_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on of next alarm fields: type, severity or status";
+    private static final String ALARM_QUERY_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on of next alarm fields: type, severity or status";
     private static final String ALARM_QUERY_START_TIME_DESCRIPTION = "The start timestamp in milliseconds of the search time range over the Alarm class field: 'createdTime'.";
     private static final String ALARM_QUERY_END_TIME_DESCRIPTION = "The end timestamp in milliseconds of the search time range over the Alarm class field: 'createdTime'.";
     private static final String ALARM_QUERY_FETCH_ORIGINATOR_DESCRIPTION = "A boolean value to specify if the alarm originator name will be " +
diff --git a/application/src/main/java/org/thingsboard/server/controller/ControllerConstants.java b/application/src/main/java/org/thingsboard/server/controller/ControllerConstants.java
index c2f965beba..17d12262c0 100644
--- a/application/src/main/java/org/thingsboard/server/controller/ControllerConstants.java
+++ b/application/src/main/java/org/thingsboard/server/controller/ControllerConstants.java
@@ -63,21 +63,21 @@ public class ControllerConstants {
     protected static final String ASSET_TYPE_DESCRIPTION = "Asset type";
     protected static final String EDGE_TYPE_DESCRIPTION = "A string value representing the edge type. For example, 'default'";
     protected static final String RULE_CHAIN_TYPE_DESCRIPTION = "Rule chain type (CORE or EDGE)";
-    protected static final String ASSET_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the asset name.";
-    protected static final String DASHBOARD_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the dashboard title.";
-    protected static final String WIDGET_BUNDLE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the widget bundle title.";
+    protected static final String ASSET_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the asset name.";
+    protected static final String DASHBOARD_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the dashboard title.";
+    protected static final String WIDGET_BUNDLE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the widget bundle title.";
     protected static final String RPC_TEXT_SEARCH_DESCRIPTION = "Not implemented. Leave empty.";
-    protected static final String DEVICE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the device name.";
-    protected static final String ENTITY_VIEW_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the entity view name.";
-    protected static final String USER_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the user email.";
-    protected static final String TENANT_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the tenant name.";
-    protected static final String TENANT_PROFILE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the tenant profile name.";
-    protected static final String RULE_CHAIN_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the rule chain name.";
-    protected static final String DEVICE_PROFILE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the device profile name.";
-    protected static final String CUSTOMER_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the customer title.";
-    protected static final String EDGE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the edge name.";
+    protected static final String DEVICE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the device name.";
+    protected static final String ENTITY_VIEW_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the entity view name.";
+    protected static final String USER_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the user email.";
+    protected static final String TENANT_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the tenant name.";
+    protected static final String TENANT_PROFILE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the tenant profile name.";
+    protected static final String RULE_CHAIN_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the rule chain name.";
+    protected static final String DEVICE_PROFILE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the device profile name.";
+    protected static final String CUSTOMER_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the customer title.";
+    protected static final String EDGE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the edge name.";
     protected static final String EVENT_TEXT_SEARCH_DESCRIPTION = "The value is not used in searching.";
-    protected static final String AUDIT_LOG_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on one of the next properties: entityType, entityName, userName, actionType, actionStatus.";
+    protected static final String AUDIT_LOG_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on one of the next properties: entityType, entityName, userName, actionType, actionStatus.";
     protected static final String SORT_PROPERTY_DESCRIPTION = "Property of entity to sort by";
     protected static final String DASHBOARD_SORT_PROPERTY_ALLOWABLE_VALUES = "createdTime, title";
     protected static final String CUSTOMER_SORT_PROPERTY_ALLOWABLE_VALUES = "createdTime, title, email, country, city";
@@ -114,12 +114,12 @@ public class ControllerConstants {
     protected static final String OTA_PACKAGE_INFO_DESCRIPTION = "OTA Package Info is a lightweight object that includes main information about the OTA Package excluding the heavyweight data. ";
     protected static final String OTA_PACKAGE_DESCRIPTION = "OTA Package is a heavyweight object that includes main information about the OTA Package and also data. ";
     protected static final String OTA_PACKAGE_CHECKSUM_ALGORITHM_ALLOWABLE_VALUES = "MD5, SHA256, SHA384, SHA512, CRC32, MURMUR3_32, MURMUR3_128";
-    protected static final String OTA_PACKAGE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the ota package title.";
+    protected static final String OTA_PACKAGE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the ota package title.";
     protected static final String OTA_PACKAGE_SORT_PROPERTY_ALLOWABLE_VALUES = "createdTime, type, title, version, tag, url, fileName, dataSize, checksum";
     protected static final String RESOURCE_INFO_DESCRIPTION = "Resource Info is a lightweight object that includes main information about the Resource excluding the heavyweight data. ";
     protected static final String RESOURCE_DESCRIPTION = "Resource is a heavyweight object that includes main information about the Resource and also data. ";
 
-    protected static final String RESOURCE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'startsWith' filter based on the resource title.";
+    protected static final String RESOURCE_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the resource title.";
     protected static final String RESOURCE_SORT_PROPERTY_ALLOWABLE_VALUES = "createdTime, title, resourceType, tenantId";
     protected static final String LWM2M_OBJECT_DESCRIPTION = "LwM2M Object is a object that includes information about the LwM2M model which can be used in transport configuration for the LwM2M device profile. ";
     protected static final String LWM2M_OBJECT_SORT_PROPERTY_ALLOWABLE_VALUES = "id, name";
diff --git a/application/src/main/java/org/thingsboard/server/controller/EdgeEventController.java b/application/src/main/java/org/thingsboard/server/controller/EdgeEventController.java
index 72fbba0fe6..d4c3fb2d96 100644
--- a/application/src/main/java/org/thingsboard/server/controller/EdgeEventController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/EdgeEventController.java
@@ -70,7 +70,7 @@ public class EdgeEventController extends BaseController {
             @RequestParam int pageSize,
             @ApiParam(value = PAGE_NUMBER_DESCRIPTION, required = true)
             @RequestParam int page,
-            @ApiParam(value = "The case insensitive 'startsWith' filter based on the edge event type name.")
+            @ApiParam(value = "The case insensitive 'substring' filter based on the edge event type name.")
             @RequestParam(required = false) String textSearch,
             @ApiParam(value = SORT_PROPERTY_DESCRIPTION, allowableValues = EDGE_SORT_PROPERTY_ALLOWABLE_VALUES)
             @RequestParam(required = false) String sortProperty,