Perhaps you should try some spelling variations:
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
contents less » contents lists, contents list, contents lead
4 developing » 3 developing
developing a » developing _
less oral » less formal, class oral, less era
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information contents less oral communication costs 4 developing a areas.*.