Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien fur » technologien des, technologien und, technologies 2
de communication » mobile communication, online communication
fur information » zur information, fair information, your information
centers case » center case, century case, centers can
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
case de » case des, case d, case d1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information centers case de communication costs 4 developing 1 africa.*.