Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
de developpement » sme development
developpement de » developpement des, developpement durable
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation _ rates rural communication a de developpement de afrique.*.