Perhaps you should try some spelling variations:
oral communication » personal communication
et developpements » et developpement, des developpements, en developpement
developpements en » developpement en, developpement et, developpements de
variation behn » variation bei, variation des, variation der
die variation » de variation, does variation, der variation
apologie die » apologia de, apologie des, apologien der
behn does » being does, ban does
does oral » does formal, does oil
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: apologie die variation behn does oral communication a et developpements en afrique.*.