Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
technologien ids » technologien des, technologien als, technologien im
1 communications » 10 communications, 14 communications, 1 communication
developing china » developing china's, development china, developing caring
ids information » aids information, dis information, mis information
3 developing » 3 development
centers 3.3 » centers 3.8, centers 4.3, century 3.3
china asia » china asean
costs 3 » costs _, costs 4, costs a
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 ids information centers 3.3 1 communications costs 3 developing china asia.*.