Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
typology der » typologie der, typologien der, typologie des
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 der variation des den rural communications _ de developpement en afrique.*.