Perhaps you should try some spelling variations:
une communication » d'une communication, ante communication, de communication
information 18.2 » information 1.2, information 15.2, information 11.2
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
de afrique » de l'afrique, en afrique, l afrique
18.2 does » 13.2 does, 18.3 does, 12 does
does une » does de, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 18.2 does une communication media _ developpement de afrique.*.