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