Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
oral communication » personal communication
communication 13 » communication 1.3, communication 3, communication 1
developpement en » developpement et, developpement des, developpement de
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
13 does » 10 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 13 does developpement en afrique.*.