Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
technologies uses » technologies used, technologies based, technological uses
de developpement » sme development
uses innovation » user innovation, use innovation, does innovation
innovation 2 » innovation 1, innovation 4, innovation 3
das twitter » data twitter, der twitter, das wetter
des afrique » en afrique, de l'afrique
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technologies uses innovation 2 das twitter communication _ de developpement des afrique.*.