Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
new oral » new moral, knew moral, new rural
der new » under new, der neue
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 der new oral communication _ de developpement en afrique.*.