Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
de communication » mobile communication, online communication
11.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing 1 » developing _, developing a, developing e
centers 3.3 » centers 3.8, centers 4.3, century 3.3
costs 11.4 » costs 11.1, costs 11.7, costs 12.4
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations centers 3.3 de communication costs 11.4 developing 1 africa.*.