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 class » context class, contents less, contents access
4 developing » 3 developing
developing a » developing _
class oral » class era, class global
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 class oral communication costs 4 developing a areas.*.