Perhaps you should try some spelling variations:
communication medias » communication media, communication mediums, communications media
face communication » voice communication, de communication, time communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
costs face » costs case
des costs » gas costs, bus costs, d costs
medias au » media a, medias _
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation des costs face communication medias au developpement de l'afrique.*.