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

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information banks die voice communications costs 4 developing basic areas.*.