Perhaps you should try some spelling variations:
lesson developpement » le developpement, en developpement, less development
ngos communication » ngo communication, nets communication, laos communications
developpement de » developpement des, developpement durable
typologies 1.1 » typologies 5.1, typologie 1.3, typologies 2.3
1.1 variation » 1.3 variation, 1.4 variation, 2.1 variation
variation des » variation _, variation 6, variation series
de afrique » de l'afrique, en afrique, l afrique
dem ngos » der ngos
a lesson » _ lesson
des dem » das dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: typologies 1.1 variation des dem ngos communication a lesson developpement de afrique.*.