Perhaps you should try some spelling variations:
better communication » written communication, external communication, disaster communication
technologies used » technologies based, technology used, technologies _
das developpement » des developpements, de developpement, du developpement
used information » user information, use information, based information
developpement en » developpement et, developpement des, developpement de
information 3 » information 2
gas better » gets better, a better, can better
3 gas » _ gas, 2 gas
a das » 1 das, 2 das, 3 das

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

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