Perhaps you should try some spelling variations:
technologies used » technologies based, technology used, technologies _
des developpement » des developpements, de developpement, le developpement
used information » user information, use information, based information
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
information 2 » information 3
gas written » a written, plays written, data written
2 gas » _ gas, 3 gas
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies used information 2 gas written communication 3 des developpement en afrique.*.