Perhaps you should try some spelling variations:
oral communication » personal communication
technologien die » technologie die, technologien des, technologien im
transformation a » transformation _
4 developing » 3 developing
developing a » developing _
social oral » social social, social order
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 die transformation a social oral communication costs 4 developing a areas.*.