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 de l'opposition" (Expand Search)
"internationale de opposition" » "internationale de l'opposition" (Expand Search), "internationale d'ete opposition" (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.

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