Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien fur » technologien des, technologien und, technologies 2
de communication » mobile communication, online communication
fur information » zur information, fair information, your information
developing asia » development asia, developing a
4 developing » 3 developing
asia africa » cpia africa, china africa
centers 3 » centers _, centers a, centers 3.3
cost 4 » cost _, cost 2.4
3 de » 3 die, 3 der, 3 des

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 3 de communication cost 4 developing asia africa.*.