Perhaps you should try some spelling variations:
information centers » information contents, information officers
de communication » mobile communication, online communication
developing china » developing china's, development china, developing caring
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
technologie 3 » technologies 3, technologie 3d, technologie c
3 information » 1 information
china africa » cpia africa, china asia
centers a » centers _, center a, enters a
costs 2.3 » costs 4.2, costs 4.4
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologie 3 information centers a de communication costs 2.3 developing china africa.*.