Perhaps you should try some spelling variations:
improved communication » improving communication, project communication
communication model » communication media
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
information 3 » information 2
has improved » have improved, can improved, ai improved
l afrique » en afrique
model le » model led, model law, model 1
3 has » 3 das, _ has, 3 gas

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 3 has improved communication model le developpement l afrique.*.