A simple list filter to search abbreviations question

[nikivi]

I want to create a very simple workflow that will give me a list of abbreviations I inputted in the database. Something like this : 

 

 

 

However I want to be able to search for both title and subtitle so I get results for this : 

 

 

As well as this : 

 

 

 

I suppose there is no way and I should use a custom script filter for that but maybe I am wrong.