Perhaps you should try some spelling variations:
better communication » written communication, external communication, disaster communication
technologies used » technologies based, technology used, technologies _
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
used innovation » user innovation, use innovation, based innovation
communication 3 » communication _, communication a
gray better » gray matter, areas better
a gray » _ gray, a grad, a grey
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation a gray better communication 3 et developpement en afrique.*.