Perhaps you should try some spelling variations:
developpement durable » developpement de
rural communication » rural communications, oral communication, moral communication
communication flow » communication flows, communication from, communication five
net developpement » et developpement, de developpement, le developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
flow net » flow der, flow e

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation bei _ rural communication flow net developpement durable afrique.*.