Perhaps you should try some spelling variations:
guinea communication » guinea communications, guiana communications, china communication
communication model » communication media
au developpement » du developpement, de developpement, le developpement
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
des afrique » en afrique, de l'afrique
6 guinea » _ guinea, a guinean, _ guineo
model au » modele au, model a, model aa

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integration 3 6 guinea communication model au developpement des afrique.*.