Perhaps you should try some spelling variations:
leur development » leur developpement, your development, spur development
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
variation der » variation des, variation bei, variation _
o online » go online, 2 online, 3 online
1 online » 2.1 online
5 leur » a leur

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 _ variation der ((o online) OR (1 online)) communication 5 leur development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies _ variation der ((o online) OR (1 online)) communication 5 leur development en afrique.*.