Perhaps you should try some spelling variations:
less developpement » le developpement, less development, leur developpement
ngo communication » togo communications, de communication, 3 communication
developpement l » developpement il, developpement la, developpement de
typologies 6.3 » typologies 2.3, typologie 1.3, typologies 2.5
6.3 variation » 3.3 variation, 6.4 variation, 1.3 variation
variation des » variation _, variation 6, variation series
l afrique » en afrique
des ddr » der ddr, des dr, dem ddr
ddr ngo » der ngos

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

• Adding a wildcard symbol may retrieve word variants: typologies 6.3 variation des ddr ngo communication _ less developpement l afrique.*.