Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement de » developpement des, developpement durable
variation behn » variation bei, variation des, variation der
des variation » does variation, de variation, der variation
de fabrique » la fabrique, de l'afrique
behn does » being does, ban does
does oral » does formal, does oil

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (typologie OR typology) des variation behn does oral communication _ de developpement de fabrique.~.
• Adding a wildcard symbol may retrieve word variants: (typologie or typology) des variation behn does oral communication _ de developpement de fabrique.*.