Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing av » developing a, developing ai, developing amp
centers get » center agent, centers help, centers real
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
av africa » v africa, iv africa, can africa
get oral » get real, mit oral, new 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 centers get oral communication costs 3.1 developing av africa.*.