Perhaps you should try some spelling variations:
communication model » communication media
des developpements » deux developpements, de developpement, et developpements
developpements de » developpement de, developpement des, developpement du
3 communication » 4 communication, de communication, data communication
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information 2 » information 3
de afrique » de l'afrique, en afrique, l 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 a information 2 _ 3 communication model des developpements de afrique.*.