Perhaps you should try some spelling variations:
maternal communication » material communication, internal communication, external communication
technologies used » technologies based, technology used, technologies _
de developpement » sme development
developpement de » developpement des, developpement durable
used innovation » user innovation, use innovation, based innovation
communication 2 » communication _, communication a, communication 3
does maternal » does external, poor maternal, free maternal
innovation 1 » innovation _, innovation a
1 does » 10 does, 13 does, 12 does
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 1 does maternal communication 2 de developpement de l'afrique.*.