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
information 19 » information 1.9, information 1, information 11
de afrique » de l'afrique, en afrique, l afrique
when mass » when ads, when base, when most
19 when » 9 when

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 19 when mass communication 1 a developpement de afrique.*.