Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
technologies 2 » technologies _, technologies 4
des twitter » der twitter, per twitter, vs twitter
la afrique » l afrique, la fabrique, en afrique
a des » a der, a das
a de » a die, a der, _ de

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

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