Perhaps you should try some spelling variations:
developpement durable » developpement de
das developpement » des developpements, de developpement, du developpement
communication 3 » communication _, communication a
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
firm's risk » firm risk
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ firm's risk communication 3 das developpement durable l'afrique.*.