Perhaps you should try some spelling variations:
information centuries » information centres, information centers, information centre
oral communication » personal communication
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
4 developing » 3 developing
china africa » cpia africa, china asia
centuries a » centuries _, centuries 1, centuries 2
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 als information centuries a oral communication costs 4 developing china africa.*.