Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
variation uber » variationen uber, variation bei, variation der
typologie bei » topologien bei, typologie des, typologie der
bei variation » de variation, der variation, based variation
uber den » uber die
den oral » den ort, new oral
1 does » 10 does, 13 does, 12 does

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

• Adding a wildcard symbol may retrieve word variants: typologie bei variation uber den oral communication 1 does developpement en afrique.*.