Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
development asia » development aid, development africa, development a
information und » informations und
4.3 development » 2.3 development, 1.3 development, 3.3 development
die mobile » does mobile, das mobile, day mobile
asia areas » basic areas, aside areas, basin areas
costs 4.3 » costs 4.2, costs 4.4, costs 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information und die mobile communications costs 4.3 development asia areas.*.