Perhaps you should try some spelling variations:
developpement durable » developpement de
does developpement » de developpement, des developpements, does development
oral communication » personal communication
communication 10 » communication 1, communication _, communication a
topologien die » topologie der, topologie des, topologie iii
die variation » de variation, does variation, der variation
variation bei » variation des, variation der, variation _
den oral » den ort, new oral
bei den » bei der
10 does » 13 does

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

• Adding a wildcard symbol may retrieve word variants: topologien die variation bei den oral communication 10 does developpement durable afrique.*.