Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
information 2 » information 3
developing a » developing _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a areas » 1 areas, 2 areas, 4 areas
2 und » _ und, i und

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information 2 und mobile communications costs 4.1 developing a areas.*.