Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
ec communication » de communication, 3 communication, 4 communication
developing urban » development urban, developing human, developing areas
als information » als informations, aids information, laws information
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
urban africa » urban area
centers has » centers case, century has, centers a
cost 1.4 » cost 14.4, cost 2.4, cost 1.2
has ec » has ex

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 has ec communication cost 1.4 developing urban africa.*.