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
typology des » typologie des, typologie der, typology _
ds afrique » en afrique, l afrique, de l'afrique
diw oral » i oral, ii oral, iii oral
des diw » des dix, des dirk

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

• Adding a wildcard symbol may retrieve word variants: typology des variation des diw oral communication _ does development ds afrique.*.