Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
cost 3.2 » cost 2.4
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information centers _ der communication cost 3.2 developing a africa.*.