Perhaps you should try some spelling variations:
developpement durable » developpement de
csr communication » de communication, 3 communication, 4 communication
u developpement » du developpement, au developpement, ou developpement
des variation » does variation, de variation, der variation
a do » a dot, _ do, a co
a u » a un, a us
typologie » typologies, typology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation ((a do) OR (a d)) csr communication a u developpement durable l'afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation ((a do) OR (a d)) csr communication a u developpement durable l'afrique.*.