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