Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
leur developpement » le developpement, deux developpements, de developpement
1 transformation » 4 transformation, die transformation, der transformation
developpement de » developpement des, developpement durable
technologien 1 » technologies 1, technologien _, technologien 4
new class » new cases, new cross
de africa » does africa, de america, use africa

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 transformation _ new class communication media leur developpement de africa.*.