Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
4 developing » 3 developing
developing a » developing _
centers 1 » centers 10, centers 21, centers _
a africa » 1 africa, can africa, em africa
costs 4 » costs _, costs a, costs 4.2
1 oral » 10 oral, 14 oral, 16 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien am information centers 1 oral communication costs 4 developing a africa.*.