Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information b » information 2, information 1, information bank
den de » den die, den drei, orden de
b den » ab den, _ den, b der

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information b den de communication costs 4.2 developing _ areas.*.