Perhaps you should try some spelling variations:
oral communication » personal communication
dam developpement » de developpement, du developpement, au developpement
communication pt » communication 3, communication 1, communication 2
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
des afrique » en afrique, de l'afrique
firms oral » firms rural, firms deal, firms global

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ firms oral communication pt dam developpement des afrique.*.