Halo spartan Assault and spartan Strike

Hello;
im from Germany and buyed Halo spartan aussaugt and spartan Strike. So the Problem is that Want To Play the Games on mi surface, Buh i cant. There is advice To Go on the Xbox.com Support But that didnt Helped me out. Maybe you got some advice Prozent some Solution for me.

Best regards from Germany​:raised_hands::raised_hands:

PS Halo is awesome :grin::grin::grin:

What is the problem specifically? What happens when you try to start the games on your surface?