Perhaps you should try some spelling variations:
sites developpement » site development, site's development, de developpement
developpement du » developpement de, developpement des, developpement et
technologies 4 » technologies _
4 information » 2 information, 1 information
has written » a written, plays written, data written
du afrique » en afrique, l afrique, de l'afrique
about has » about his, about half, about hard

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information about has written communication _ sites developpement du afrique.*.