Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
des variation » does variation, de variation, der variation
variation de » variation des, variation der, variation due
des afrique » en afrique, de l'afrique
de ddr » der ddr, die ddr, dem ddr
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation de ddr oral communication _ de developpement des afrique.*.