Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technologies 4 » technologies _
4 information » 2 information, 1 information
information 3 » information 2
de afrique » de l'afrique, en afrique, l afrique
type case » typed case, types case, type based
3 type » 3 types, a type, c type
a a » a la

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 type case communication a a developpement de afrique.*.