Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
technologies from » technology from, technologies co, technologies art
information 2.3.3 » information 4.3.3, information 2.3.2, information 3.3.3
from information » from informal, 1 information
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
2.3.3 roles » 2.3.2 roles, 12.1.3 roles, 2.2.3 role
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 from information 2.3.3 roles de communication mode _ developpement en afrique.*.