How to match work names of an opera?

I have many cd’s of mozart’s Le nozzle di figaro in my room collection but when I see the 5 performances not all of the are there. How can I get all of these to be grouped together. I suspect this is an issue with the track titles Mozart: Le nozzle di Figaro, opera, K. 492 etc but i don’t know how to fix it. Same goes for Don Giovanni etc.