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