Perhaps you should try some spelling variations:
information networks » information needs
technologien der » technologien des, technologie der, technologien fur
de communication » mobile communication, online communication
der information » insider information, sector information, labor information
networks levels » network levels, network level, networks lessons
a developing » a development
developing a » developing _
levels de » levels ode, levels do, levels dr
costs a » costs _, costs 4
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien der information networks levels de communication costs a developing a areas.*.