Perhaps you should try some spelling variations:
communication model » communication media
open communication » human communication, 3 communication, 4 communication
le developpement » de developpement, sme development
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
care open » cage open, large open, more open
model le » model led, model law, model 1

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information about care open communication model le developpement des afrique.*.