Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
a developpement » au developpement, de developpement, le developpement
technologies 2 » technologies _, technologies 4
information 1 » information 2, information 3, information 3.2
de afrique » de l'afrique, en afrique, l afrique
when mass » when ads, when base, when most
1 when » 19 when, 3 when, 4 when

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1 when mass communication 1 a developpement de afrique.*.