Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
technologien des » technologien fur, technologien und, technologies 2
1 communications » 10 communications, 14 communications, 1 communication
developing china » developing china's, development china, developing caring
des information » des informations, does information, dis information
3 developing » 3 development
china asia » china asean
centers 3 » centers _, centers a, centers 3.3
costs 3 » costs _, costs 4, costs a

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 1 communications costs 3 developing china asia.*.