Perhaps you should try some spelling variations:
communication model » communication media
good communication » world communication, ihrd communication, based communication
led developpement » le developpement, leur developpement, de developpement
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
model led » model land, model law, model listed
3.2 does » 13.2 does, 3.1 does, 3.4.2 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.2 does good communication model led developpement des afrique.*.