Perhaps you should try some spelling variations:
information network » information networks
how communication » how communicating, new communication, de communication
technologien der » technologien des, technologie der, technologien fur
der information » insider information, sector information, labor information
network level » network levels, network legal, network layer
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
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 network level how communication costs 4 developing a areas.*.