Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
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 4 information 1 when mass communication _ au developpement de afrique.*.