Perhaps you should try some spelling variations:
information centres » information centre, information centrism, information centers
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
centres lived » century lived
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
lived oral » derived oral
2 african » _ african, 1 african
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centres lived oral communication costs 4 developing 2 african.*.