Perhaps you should try some spelling variations:
model transformation » der transformation, social transformation, rural transformation
transformation bausi » transformation aus, transformation als, transformation based
technologien model » technological model, technologien des, technological models
past communication » post communication, put communication, master communication
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
some past » some case, time past
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien model transformation bausi some past communication costs 4 developing 2 areas.*.