Perhaps you should try some spelling variations:
"internationale contre opposition" » "internationale politiek opposition" (Expand Search), "internationale conferentie opposition" (Expand Search), "internationale de opposition" (Expand Search)
"internationale d'ete opposition" » "internationale de opposition" (Expand Search), "internationale d'envoi opposition" (Expand Search), "internationale dag opposition" (Expand Search), "internationale de l'opposition" (Expand Search)
"internationale des opposition" » "internationale de l'opposition" (Expand Search)
"international de opposition" » "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 des opposition") OR ("internationale des propositions"))) OR ((((("internationale d'ete opposition") OR ("international de opposition"))) OR ("internationale contre opposition"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"internationale des opposition\") OR (\"internationale des propositions\"))) OR (((((\"internationale d'ete opposition\") OR (\"international de opposition\"))) OR (\"internationale contre opposition\"))))".
• Removing quotes may allow a broader search: (((( internationale des opposition ) OR ( internationale des propositions ))) OR ((((( internationale d'ete opposition ) OR ( international de opposition ))) OR ( internationale contre opposition )))).
• Adding a wildcard symbol may retrieve word variants: (((("internationale des opposition") OR ("internationale des propositions"))) OR ((((("internationale d'ete opposition") OR ("international de opposition"))) OR ("internationale contre opposition"))))*.