Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
csr communication » de communication, 3 communication, 4 communication
technologies 4 » technologies _
4 information » 2 information, 1 information
des afrique » en afrique, de l'afrique
3.2 does » 13.2 does, 3.1 does, 3.4.2 does
does csr » does cash

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 3.2 does csr communication media leur developpement des afrique.*.