Perhaps you should try some spelling variations:
communication data » communication 3, communication 1, communication 3.3
technologies used » technologies based, technology used, technologies _
den developpement » de developpement, en developpement, des developpements
used innovation » user innovation, use innovation, based innovation
developpement l » developpement il, developpement la, developpement de
innovation 2 » innovation 1, innovation 4, innovation 3
does written » novel written, works written, book written
l afrique » en afrique
data den » data daten, data does, data do
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 2 does written communication data den developpement l afrique.*.