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 pour l'opposition" » "internationale des l'opposition" (Expand Search), "international group l'opposition" (Expand Search)
"internationale de l'opposition" » "internationale des l'opposition" (Expand Search), "international de l'opposition" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("internationale contre opposition") OR ((("internationale de l'opposition") OR ("internationale pour l'opposition"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"internationale contre opposition\") OR (((\"internationale de l'opposition\") OR (\"internationale pour l'opposition\"))))".
• Removing quotes may allow a broader search: (( internationale contre opposition ) OR ((( internationale de l'opposition ) OR ( internationale pour l'opposition )))).
• Adding a wildcard symbol may retrieve word variants: (("internationale contre opposition") OR ((("internationale de l'opposition") OR ("internationale pour l'opposition"))))*.