Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
leur developpement » le developpement, deux developpements, de developpement
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
des afrique » en afrique, de l'afrique
using jobs » bring jobs, fishing jobs
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation using jobs rural communications _ leur developpement des afrique.*.