Perhaps you should try some spelling variations:
communication medias » communication media, communication mediums, communications media
face communication » voice communication, de communication, time communication
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation bus » variation des, variation bei, variation due
costs face » costs case
bus costs » gas costs
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 bus costs face communication medias _ developpement de l'afrique.*.