Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
communications costs » communication costs, communications _
ceos communications » cell communications, laos communications, les communications
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
developing urban » development urban, developing human, developing areas
1 developing » 3 developing, 4 developing, 2 developing
urban africa » urban area
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations centers _ ceos communications costs 1 developing urban africa.*.