Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
ex communication » ec communication, et communication, eu communication
developing urban » development urban, developing human, developing areas
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 ex » his ex

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 has ex communication cost 1.4 developing urban africa.*.