Perhaps you should try some spelling variations:
developpement et » developpement des, developpement de, development east
communication 3 » communication _, communication a
1 developpement » de developpement, le developpement, et developpement
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
variation 6 » variation _, variations _, variation des
costs post » costs cost, costs part, costs poor
et afrique » en afrique, l afrique
costs pol » costs poor, costs per, costs how

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: "typologie de variation 6 ((costs post) OR (costs pol)) communication 3 1 developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation 6 ((costs post) OR (costs pol)) communication 3 1 developpement et afrique.*.