Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications costs » communication costs, communications _
information thanks » information banks, information bank, information trends
technologien dis » technologien des, technologien als, technologien im
developing basin » developing asia, developing asian, developing based
dis information » mis information, aids information, des informations
4 developing » 3 developing
die voice » cine voice, one voice
costs 4 » costs _, costs a, costs 4.2
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information thanks die voice communications costs 4 developing basin area.*.