Perhaps you should try some spelling variations:
"internationale contre opposition" » "internationale politiek opposition" (Expand Search), "internationale conferentie opposition" (Expand Search), "international conference opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"internationale des opposition" » "internationale d'ete opposition" (Expand Search), "internationale des propositions" (Expand Search)
"international de opposition" » "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 de opposition\"))) OR (\"internationale contre opposition\"))) OR (\"internationale de l'opposition\"))~".
• Removing quotes may allow a broader search: (((((( internationale des opposition ) OR ( international de opposition ))) OR ( internationale contre opposition ))) OR ( internationale de l'opposition ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("internationale des opposition") OR ("international de opposition"))) OR ("internationale contre opposition"))) OR ("internationale de l'opposition"))*.