Perhaps you should try some spelling variations:
leur development » leur developpement, your development, spur development
communication 3 » communication _, communication a
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
variation did » variation des, variation der, variation im
3 leur » a leur, 3 lehr
so 4 » soe 4, sos 4, o 4
typologie » typologies, typology

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 des variation did ((so 4) OR (so _)) communication 3 leur development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation did ((so 4) OR (so _)) communication 3 leur development en afrique.*.