Perhaps you should try some spelling variations:
model transformation » der transformation, social transformation, rural transformation
technologien model » technological model, technologien des, technological models
transformation e » transformation et, transformation _, transformation a
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
de africa » does africa, de america, use africa
des de » des dem, des der, des des
e des » e der, a des, e das

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

• Adding a wildcard symbol may retrieve word variants: technologien model transformation e des de communication media _ developpement de africa.*.