Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information bank » information b, information 2, information 1
4 developing » 3 developing
developing a » developing _
bank und » bank fund, banken und, bank under
costs 4 » costs _, costs a, costs 4.2
a area » a areas, 1 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information bank und mobile communications costs 4 developing a area.*.