Perhaps you should try some spelling variations:
usage developpement » de developpement, le developpement, au developpement
cat communication » data communication, csr communication, et communication
developpement de » developpement des, developpement durable
media usage » media use
de afrique » de l'afrique, en afrique, l afrique
3.2 does » 13.2 does, 3.1 does, 3.4.2 does
does cat » does cash, does city, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.2 does cat communication media usage developpement de afrique.*.