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