Perhaps you should try some spelling variations:
developpement durable » developpement de
leur developpement » le developpement, deux developpements, de developpement
oral communication » personal communication
communication 3 » communication _, communication a
variation uber » variationen uber, variation bei, variation der
des variation » does variation, de variation, der variation
uber ddr » uber die, uber den, uber das
3 leur » a leur, 3 lehr
typologie » typologies, typology
fabrique. » afrique., fabrice.

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation uber ddr oral communication 3 leur developpement durable fabrique.*.