Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
informations anreiz » b informationsanreize, informations tirer
developing asia » development asia, developing a
4 developing » 3 developing
anreiz und » anreize und
asia area » asia korea, sea area, asia asia
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien _ informations anreiz und mobile communications costs 4 developing asia area.*.