Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien od » technologien ad, technologien und, technologien _
od information » d information, nd information, road information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
centers a » centers _, center a, enters a
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a oral » _ oral, 2 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 od information centers a oral communication costs 3.3 developing 1 africa.*.