Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien als » technologien des, technologien fur, technologien und
developing china » developing china's, development china, developing caring
als information » als informations, aids information, laws information
1 communication » 10 communication, 3 communication, 4 communication
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
costs 4 » costs _, costs a, costs 4.2
asean. » asian.

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers 3 1 communication costs 4 developing china asean.*.