Perhaps you should try some spelling variations:
worked communications » wired communications, border communications, turkey communications
communications model » communications models, communication model, communicating model
au developpement » du developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
technologies 2 » technologies _, technologies 4
information 3 » information 2
has worked » what worked, a worked, years worked
du afrique » en afrique, l afrique, de l'afrique
model au » modele au, model a, model aa
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 2 information 3 has worked communications model au developpement du afrique.*.