Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
4 developing » 3 developing
developing a » developing _
centers he » centers help, centers ihc, centers ohc
a africa » 1 africa, can africa, em africa
cost 4 » cost _, cost 2.4
he de » e de, fe de, me de

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers he de communication cost 4 developing a africa.*.