Perhaps you should try some spelling variations:
communication model » communication media
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
3 communication » 4 communication, de communication, data communication
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
la afrique » l afrique, la fabrique, en afrique
model des » modell des, modelle des, model codes

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 _ 3 communication model des developpement la afrique.*.