Perhaps you should try some spelling variations:
"internationale contre opposition" » "internationale politiek opposition" (Expand Search), "internationale conferentie opposition" (Expand Search), "internationale de opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"internationale dag opposition" » "internationale de opposition" (Expand Search), "international a opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"international de opposition" » "international de l'opposition" (Expand Search), "international d'ete 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 de opposition\") OR (((\"internationale des propositions\") OR (((\"internationale dag opposition\") OR (\"internationale contre opposition\"))))))~".
• Removing quotes may allow a broader search: (( international de opposition ) OR ((( internationale des propositions ) OR ((( internationale dag opposition ) OR ( internationale contre opposition ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("international de opposition") OR ((("internationale des propositions") OR ((("internationale dag opposition") OR ("internationale contre opposition"))))))*.