Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
development ds » development d, development does, development desd
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
ds afrique » en afrique, l afrique, de l'afrique
iii oral » iii moral, ii oral, i oral
des iii » des xiii, des viii, des ii
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 des iii oral communication _ does development ds afrique.*.