Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
what written » a written, data written
gap what » map what, gap why, top what
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information gap what written communication a des developpement en afrique.*.