Perhaps you should try some spelling variations:
developpement durable » developpement de
rural communications » oral communication, rural telecommunications, cultural communications
leur developpement » le developpement, deux developpements, de developpement
communications a » communications _, communications law, communications media
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ rates rural communications a leur developpement durable afrique.*.