Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
centre lived » century lived, centre leben, centre mitec
lived oral » derived oral
costs 4.4 » 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 als information centre lived oral communication costs 4.4 developing _ african.*.