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" » "international de opposition" (Expand Search), "international d'ete opposition" (Expand Search)
"internationale des propositions" » "international des propositions" (Expand Search)
"internationale de l'opposition" » "international de l'opposition" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"international des opposition\") OR (\"internationale des propositions\"))) 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 des propositions ))) 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 des propositions"))) OR ((("internationale contre opposition") OR ("internationale conferentie opposition"))))) OR ("internationale de l'opposition"))*.