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 em » developing e, developing eq, developing amp
5 developing » 3 developing, 4 developing, 2 developing
centers 3.8 » centers 2.8, centers 3.3, centers 8.8
em africa » 1 africa
3.8 de » 3.8 der, 3.8 die
cost 5 » cost 15, cost _, cost 4

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 3.8 de communication cost 5 developing em africa.*.