Perhaps you should try some spelling variations:
developpement durable » developpement de
csr communication » de communication, 3 communication, 4 communication
d developpement » de developpement, du developpement, le developpement
typologies 2.3 » typologies 2.5, typologies 6.3, typologie 1.3
2.3 variation » 3.3 variation, 1.3 variation, 2.1 variation
variation des » variation _, variation 6, variation series
des den » es den, des dem, des der
den csr » der csr, does csr, dana csr

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

• Adding a wildcard symbol may retrieve word variants: typologies 2.3 variation des den csr communication a d developpement durable afrique.*.