Perhaps you should try some spelling variations:
ngo communication » togo communications, de communication, 3 communication
developpement de » developpement des, developpement durable
typologies 3.2 » typologies 4.2, typologies 3.2.1, typologies 2.3
3.2 variation » 3.2 variations, 3.3 variation, 2.2 variation
variation des » variation _, variation 6, variation series
de afrique » de l'afrique, en afrique, l afrique
des den » es den, des dem, des der
den ngo » des ngo, den neo, does ngo
a des » a der
a das » 1 das, 2 das, 3 das

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: "typologies 3.2 variation des den ngo communication ((a des) OR (a das)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies 3.2 variation des den ngo communication ((a des) OR (a das)) developpement de afrique.*.