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