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
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
variation 3 » variation _, variation 6, variation 5
first rural » firm rural, firms rural, first real
3 first » 2 first, 3.1 first

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

• Adding a wildcard symbol may retrieve word variants: typology der variation 3 first rural communications _ dam developpement en afrique.*.