Perhaps you should try some spelling variations:
oral communication » personal communication
does developpement » de developpement, des developpements, does development
des variation » does variation, de variation, der variation
des afrique » en afrique, de l'afrique
does oral » does formal, does oil
a does » 2 does, 4 does, 1 does
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 _ does oral communication a does developpement des afrique.*.