Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
technologies user » technologies ser, technologies used, technologies uses
user information » der information, other information, user innovation
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
information 3 » information 2
des class » des classes, per class
3 des » 3 der, 3 das, a des
1 et » 12 et, 13 et, 1 net

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

• Adding a wildcard symbol may retrieve word variants: technologies user information 3 des class communication 1 et developpement en afrique.*.