Perhaps you should try some spelling variations:
personal communication » interpersonal communication
transformation als » transformation a, transformation _, transformation 1
ad transformation » magd transformation, und transformation, led transformation
technologien ad » technologien am, technologien und, technologien als
model personal » der personal, model regional
4 developing » 3 developing
als model » als modell, als mode, ols model
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 ad transformation als model personal communication costs 4 developing _ areas.*.