Perhaps you should try some spelling variations:
chairs communication » change communication, class communication, mass communication
des developpement » des developpements, de developpement, le developpement
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
de chairs » de chars, de chaines, _ chairs
l afrique » en afrique
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information d820 de chairs communication 3 des developpement l afrique.*.