Perhaps you should try some spelling variations:
developpement durable » developpement de
moral communication » oral communication, global communication, verbal communication
de developpement » sme development
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des moral » der moral, debt moral, die moral
des des » des deas, des dem, des der

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

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