Perhaps you should try some spelling variations:
oral communication » personal communication
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
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
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 developpements en afrique.*.