Perhaps you should try some spelling variations:
cat communication » data communication, csr communication, et communication
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
formation 5.3 » formation 5.2, formation 5.4, formulation 5.3
a formation » la formation, 1 formation, a formulation
de afrique » de l'afrique, en afrique, l afrique
5.3 does » 2.3 does, 4.3 does, 7.3 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 a formation 5.3 does cat communication media _ developpement de afrique.*.