Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications costs » communication costs, communications _
information context » information content, information contents, information centers
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
1.2 developing » 12.2 developing, 13.2 developing, 2.2 developing
developing a » developing _
costs 1.2 » costs 4.2, cost 1.2, costs 2.2
a africa » 1 africa, can africa, em africa
3 voice » 3 voices, _ voice, a voice

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

• Adding a wildcard symbol may retrieve word variants: technologien als information context 3 voice communications costs 1.2 developing a africa.*.