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
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
developing a » developing _
centers he » centers help, centers ihc, centers ohc
a africa » 1 africa, can africa, em africa
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 als information centers he de communication cost _ developing a africa.*.