Perhaps you should try some spelling variations:
developpement durable » developpement de
drei communication » de communication, direct communication, data communication
et developpement » de developpement, le developpement, test development
typologies 3.3 » typologies 2.3, typologies 3.2, typologies 6.3
3.3 variation » 3.3 validation, 6.4 variation, 6.3.5 variation
variation es » variation des, variation test, variations des
den drei » der drei, die drei
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typologies 3.3 variation es den drei communication a et developpement durable afrique.*.