Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information context » information content, information contents, information centers
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
context e » context eu, context 3, context 1
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
e mobile » _ mobile, a mobile, 2 mobile

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information context e mobile communications costs 3.3 developing 1 africa.*.