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