使用全文查询在mysql中进行子查询

I am trying to query a database. I already have a file that includes some primary keys out of this whole database. Now I want to filter these primary keys and get only those primary keys which also agree to "other condition". My primary keys are associated to abstracts in the database. The abstracts are full-text indexed. Now I want to consider the abstracts using the given primary keys, look for my "other condition(terms)" in those abstracts and if its present I want to pull their primary keys out(which is going to be same from the file). My "other condition" is another file with a list of terms. I want to get the abstracts that contain those terms within the given primary keys. I am trying to query a database. I already have