Perhaps you should try some spelling variations:
model transformation » der transformation, social transformation, rural transformation
technological model » technological models, technological tools, technological content
transformation aus » transformation als, transformation a, transformation case
de communication » mobile communication, online communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing e » developing _, developing a, developing east
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
aus one » us one, aus bonn, aus oder
e areas » 1 areas, 2 areas, 4 areas
one de » one die, one do, one demo

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

• Adding a wildcard symbol may retrieve word variants: technological model transformation aus one de communication costs 3.2 developing e areas.*.