Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
variation being » variation bei, variation using, variation among
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
being does » lending does, reading does
does oral » does formal, does oil
3 der » _ der, 2 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation being does oral communication 3 der developpement de l'afrique.*.