Perhaps you should try some spelling variations:
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
variation behn » variation bei, variation des, variation der
des variation » does variation, de variation, der variation
apologie des » l'apologie des, typologie des, apologien der
des afrique » en afrique, de l'afrique
behn does » being does, ban does
does oral » does formal, does oil
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: apologie des variation behn does oral communication a des developpement des afrique.*.