Perhaps you should try some spelling variations:
"international des opposition" » "internationale de opposition" (Expand Search), "international d'ete opposition" (Expand Search), "international de l'opposition" (Expand Search), "international des propositions" (Expand Search)
"internationale des opposition" » "internationale d'ete opposition" (Expand Search), "internationale de l'opposition" (Expand Search), "internationale des propositions" (Expand Search)
"international de opposition" » "international de l'opposition" (Expand Search), "international d'ete opposition" (Expand Search)

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: "((((\"internationale des opposition\") OR (\"international des opposition\"))) OR (((\"international conference opposition\") OR (\"international de opposition\"))))~".
• Removing quotes may allow a broader search: (((( internationale des opposition ) OR ( international des opposition ))) OR ((( international conference opposition ) OR ( international de opposition ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("internationale des opposition") OR ("international des opposition"))) OR ((("international conference opposition") OR ("international de opposition"))))*.