Perhaps you should try some spelling variations:
information kontext » information content, information contents, information centers
voice communication » voice communications, mobile communication, device communication
technologies 2 » technologies _, technologies 4
3.3 developing » 4 developing, 2 developing, 1 developing
kontext meike » kontext einer, kontext die, kontext eines
developing a » developing _
meike voice » mobile voice
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information kontext meike voice communication costs 3.3 developing a africa.*.