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" » "internationale des opposition" (Expand Search), "internationale d'envoi opposition" (Expand Search), "international de 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)

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

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