Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien des » technologien fur, technologien und, technologies 2
developing china » developing china's, development china, developing caring
des information » des informations, does information, dis information
1 communication » 10 communication, 3 communication, 4 communication
4 developing » 3 developing
centers 3.3 » centers 3.8, centers 4.3, century 3.3
china asia » china asean
costs 4 » costs _, costs a, costs 4.2
3.3 1 » 3.3 _, 3.3 a, 3.3 e

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers 3.3 1 communication costs 4 developing china asia.*.