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