Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt communication
developing china » developing china's, development china, developing caring
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
technologie 3 » technologies 3, technologie 3d, technologie c
3 information » 1 information
center phase » center case, center place, context phase
china africa » cpia africa, china asia
cost 1.3 » cost 11.3, cost 1.2, cost 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologie 3 information center phase der communication cost 1.3 developing china africa.*.