Perhaps you should try some spelling variations:
information central » information centre, information control, information centric
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
1 developing » 3 developing, 4 developing, 2 developing
central i » central _, central 1, central 7
costs 1 » costs _, costs 4, costs a
i oral » ii oral, _ oral, 2 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information central i oral communication costs 1 developing _ africa.*.