Perhaps you should try some spelling variations:
des transformation » des transformations, der transformation, de transformation
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
transformation a » transformation _
developing east » development east, developing a, developing asia
4 developing » 3 developing
social oral » social social, social order
east areas » karst areas, east asezs
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des transformation a social oral communication costs 4 developing east areas.*.