Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies used » technologies based, technology used, technologies _
developpement en » developpement et, developpement des, developpement de
used innovation » user innovation, use innovation, based innovation
communication 3 » communication _, communication a
e developpement » de developpement, le developpement, et developpement
hs personal » ss personal, haus personal, das personal
3 e » 3 le, 3 el

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation _ hs personal communication 3 e developpement en afrique.*.