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 d'envoi opposition" (Expand Search), "international de opposition" (Expand Search), "internationale dag opposition" (Expand Search), "internationale de l'opposition" (Expand Search)
"internationale de opposition" » "international de opposition" (Expand Search), "internationale de l'opposition" (Expand Search)
"internationale des propositions" » "international des propositions" (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 contre opposition"))) OR ((("internationale de opposition") OR ("internationale des propositions"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"internationale d'ete opposition\") OR (\"internationale contre opposition\"))) OR (((\"internationale de opposition\") OR (\"internationale des propositions\"))))*".
• Removing quotes may allow a broader search: (((( internationale d'ete opposition ) OR ( internationale contre opposition ))) OR ((( internationale de opposition ) OR ( internationale des propositions ))))*.