Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
de developpement » sme development
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
des afrique » en afrique, de l'afrique
den rural » do rural, modern rural
des den » es den, des dem, des der

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 den rural communications _ de developpement des afrique.*.