Perhaps you should try some spelling variations:
communication model » communication media
good communication » world communication, ihrd communication, based communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
information 3 » information 2
gas good » gasag good, gets good, gas grid
model et » model ee, model em, model eu
3 gas » _ gas, 2 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 gas good communication model et developpement en afrique.*.