Perhaps you should try some spelling variations:
developpement durable » developpement de
moral communication » oral communication, global communication, verbal communication
leur developpement » le developpement, deux developpements, de developpement
variation der » variation des, variation bei, variation _
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
debt moral » debat moral, debate moral
der debt » does debt, debt debt, der de

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation der debt moral communication a leur developpement durable afrique.*.