Perhaps you should try some spelling variations:
"internationale dag opposition" » "international de opposition" (Expand Search), "international a opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"international des opposition" » "international de opposition" (Expand Search), "international d'ete opposition" (Expand Search), "international des propositions" (Expand Search)
"internationale des opposition" » "international des opposition" (Expand Search), "internationale d'ete opposition" (Expand Search), "internationale 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("internationale des opposition") OR ("international des opposition"))) OR ("internationale de l'opposition"))) OR ((("internationale dag opposition") OR ("internationale politiek opposition"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"internationale des opposition\") OR (\"international des opposition\"))) OR (\"internationale de l'opposition\"))) OR (((\"internationale dag opposition\") OR (\"internationale politiek opposition\"))))*".
• Removing quotes may allow a broader search: (((((( internationale des opposition ) OR ( international des opposition ))) OR ( internationale de l'opposition ))) OR ((( internationale dag opposition ) OR ( internationale politiek opposition ))))*.