Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
la afrique » l afrique, la fabrique, en afrique
a oral » _ oral, 2 oral, 4 oral
bei a » bei _
a de » a die, a der, a des

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (typologie OR typologies) des variation bei a oral communication a de developpement la afrique.~.
• Adding a wildcard symbol may retrieve word variants: (typologie or typologies) des variation bei a oral communication a de developpement la afrique.*.