Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
technologies used » technologies based, technology used, technologies _
de developpement » sme development
developpement et » developpement des, developpement de, development east
used innovation » user innovation, use innovation, based innovation
communication 3 » communication _, communication a
innovation 2 » innovation 1, innovation 4, innovation 3
das twitter » data twitter, der twitter, das wetter
et afrique » en afrique, l afrique
2 das » 1 das
3 de » 3 die, 3 der, 3 des

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 das twitter communication 3 de developpement et afrique.*.