Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologien mis » technologien mit, technologien des, technologien als
mis information » dis information, aids information, ids information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
centre lived » century lived, centre leben, centre mitec
lived oral » derived oral
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien mis information centre lived oral communication costs 2.2 developing _ african.*.