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