Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
set developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
information due » information does, information der, information duties
technologies 4 » technologies _
4 information » 2 information, 1 information
daten class » latent class
due daten » die daten, due date, gute daten

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information due daten class communication _ set developpement en afrique.*.