Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications costs » communication costs, communications _
urban development » human development
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information 2 » information 3
costs urban » cost urban, across urban, crisis urban
die voice » cine voice, one voice
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 die voice communications costs urban development 1 afrique.*.