Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
eu communications » eu communication, peru communications, les communications
technologien als » technologien des, technologien fur, technologien und
developing urban » development urban, developing human, developing areas
als information » als informations, aids information, laws information
23.4 developing » 13.4 developing, 2.4 developing, 3.4 developing
centers he » centers help, centers ihc, centers ohc
costs 23.4 » costs 2.4, costs 4.4, costs 2.3
urban area » urban areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers he eu communications costs 23.4 developing urban area.*.