Perhaps you should try some spelling variations:
information centuries » information centres, information centers, information centre
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4 development » 2 development, 4 developing
centuries a » centuries _, centuries 1, centuries 2
china asia » china asean
costs 4 » costs _, costs a, costs 4.2
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centuries a oral communication costs 4 development china asia.*.