Together on one team they are a 'winning combination'. [=they work, perform, etc., very well together]
The milkshakes come in chocolate, strawberry, and vanilla, or any 'combination' of these.
It can be used by itself or 'in combination with' [='together with'] our other products.
(..) - Is that enough for you? - That's plenty. - What does it mean? - Please don't do that. Thank you. I'm sorry. Well, it's an interesting combination of elements... making him a tough little son of a bitch. And you let him in. I was obeying (..)1979 Alien