Perhaps you should try some spelling variations:
model transformation » der transformation, social transformation, rural transformation
technological model » technological models, technological tools, technological content
transformation a » transformation _
de communication » mobile communication, online communication
3 developing » 3 development
costs 3 » costs _, costs 4, costs a
rie de » vie de, crise de, marie de
a rie » a rice, a rise, a rite

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

• Adding a wildcard symbol may retrieve word variants: technological model transformation a rie de communication costs 3 developing _ access.*.