Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4 developing » 3 developing
developing a » developing _
centers 2 » centers 21, centers _, center 2
a africa » 1 africa, can africa, em africa
costs 4 » costs _, costs a, costs 4.2
2 oral » _ oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers 2 oral communication costs 4 developing a africa.*.