Perhaps you should try some spelling variations:
oral communication » personal communication
das developpements » des developpements, deux developpements, de developpement
developpements en » developpement en, developpement et, developpements de
does variation » de variation, der variation, die variation
apologie does » apologie des, l'apologie des, typologie des
variation bei » variation des, variation der, variation _
does oral » does formal, does oil
bei does » being does, behn does, bei der

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

• Adding a wildcard symbol may retrieve word variants: apologie does variation bei does oral communication _ das developpements en afrique.*.