Perhaps you should try some spelling variations:
developpement durable » developpement de
health communication » data communication
de developpement » sme development
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
das health » das healthy, does health, u.s health
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ das health communication media de developpement durable l'afrique.*.