Perhaps you should try some spelling variations:
des transformative » des transformativen, das transformative, der transformativen
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
change model » change models, cge model, stage model
4 developing » 3 developing
model oral » modern oral, novel oral
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 transformative change model oral communication costs 4 developing _ areas.*.