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
variation des » variation _, variation 6, variation series
costs case » costs cash
de afrique » de l'afrique, en afrique, l afrique
des costs » gas costs, bus costs, d costs
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation des costs case communication media a developpement de afrique.*.