Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
content a » content _, content 1, content 3
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 ad information content a oral communication costs 3.3 developing 1 africa.*.