Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
1 developpement » de developpement, le developpement, et developpement
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
formes rural » farmers rural, farmer rural, firms rural

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

• Adding a wildcard symbol may retrieve word variants: typology der variation _ formes rural communication 3 1 developpement de l'afrique.*.