Perhaps you should try some spelling variations:
oral communication » personal communication
u developpement » du developpement, au developpement, ou developpement
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
figures oral » figures draw, figures a, figures from
des afrique » en afrique, de l'afrique
a u » a un, a us

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

• Adding a wildcard symbol may retrieve word variants: typology des variation des figures oral communication a u developpement des afrique.*.