full text search - Sql Server ContainsTable return zero result when try to select top records -


We have implemented containsTable in SQL Server. The problem occurs when we run the query as the following: 

  Select the DATAFILENAME from INNER TableName Insert (table name, BOOLEANTEXT, '("xxxx")) DATAFILENAME = KEY_TBL at KEY_TBL [KEY] and CASETYPE such as '% xxxx%'   
 This will return approximately 1200 records.  
 But I just want to select the top 1000, here is the query as the following  
  Join TableName Inside CONTAINSTABLE (TableName, select DATAFILENAME from BOOLEANTEXT, DATAFILENAME = KEY_TBL at KEY_TBL as '("xxxx", * 1000 *)') [KEY] and Likes CASETYPE '% xxxx%' **   
 This query will return zero records.  
 I've rebuilt the full text index, have changed the auto tracking but still still see zero results.  
 If I am missing some point, please advise in advance   
 
 
 You have two questions: Choose DATAFILENAME (key) and CASETYPE like '% xxxx%'   
 and:    
  Like [Key] and '% xxxx%' CASETYPE: 
 
  Choose DATAFILENAME from TableName Join INNER (tagname, boolean signal, '("xxxx"), 1000) DATAFILENAME = KEY_TBL at KEY_TBL as Code>  
 The first return is 1200 records and the second is not recorded.  
 Conclusion: The first 1,000 rows returned by  static  have no matches in  the tagname using the specified conditions .  
 If you want only 1000 rows, then use  Top 1000 :    Select Top 1000 DATAFILENAME TableName Join INNER (As table name, BOOLEANTEXT, '("xxxx")' DATAFILENAME = KEY_TBL at KEY_TBL ' [Key] and KEY_TBL.Rank descends like CASETYPE '% xxxx%'; Sort by   
  KEY_TBL.rank , then the best matching rows will be returned first.

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