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

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 des variation ((die ddr) OR (dem ddr)) oral communication _ de developpement il afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie des variation ((die ddr) or (dem ddr)) oral communication _ de developpement il afrique.*.