Perhaps you should try some spelling variations:
oral communication » personal communication
does developpement » de developpement, des developpements, does development
communication 10 » communication 1, communication _, communication a
developpement de » developpement des, developpement durable
topologien bei » topologie der, topologie des, topologie iii
bei variation » de variation, der variation, based variation
variation bei » variation des, variation der, variation _
de afrique » de l'afrique, en afrique, l afrique
der oral » der moral, der ort, der orte
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 bei variation bei der oral communication 10 does developpement de afrique.*.