Perhaps you should try some spelling variations:
technologies case » technologies based, technologies can, technologies create
case information » care information, based information, phase information
de communication » mobile communication, online communication
developpement il » developpement de, developpement et, developpement du
il afrique » l afrique, en afrique
3.2 roles » 2.2 roles, 3.3 roles, 3.4 roles
roles de » role de, roles _, role des

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 3.2 roles de communication media _ developpement il afrique.*.