Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
dam developpement » de developpement, du developpement, au developpement
developpement en » developpement et, developpement des, developpement de
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
debt rural » debt moral, next rural
des debt » does debt, des debuts, debt debt

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation des debt rural communications _ dam developpement en afrique.*.