Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
typologie its » typologie des, typologie et, typologie cices
its variation » its variations, does variation, les variations
variation der » variation des, variation bei, variation _
3 der » _ der, 2 der
easy » east, ease

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

• Adding a wildcard symbol may retrieve word variants: typologie its variation der easy oral communication 3 der developpement en afrique.*.