Perhaps you should try some spelling variations:
information centers » information contents, information officers
face communication » voice communication, de communication, time communication
communication cost » communication costs, communication costa, communications costs
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing av » developing a, developing ai, developing amp
centers has » centers case, century has, centers a
cost 14.4 » costs 14.3, cost 2.4, cost 1.2
av africa » v africa, iv africa, can africa
has face » his face, das fach, has made

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information centers has face communication cost 14.4 developing av africa.*.