Perhaps you should try some spelling variations:
"internationale conferentie opposition" » "international conference opposition" (Expand Search)
"internationale d'envoi opposition" » "internationale des opposition" (Expand Search), "internationale design opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"internationale contre opposition" » "internationale politiek opposition" (Expand Search), "international conference 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("internationale contre opposition") OR ("internationale conferentie opposition"))) OR ((("internationale de opposition") OR ("internationale d'envoi opposition"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"internationale contre opposition\") OR (\"internationale conferentie opposition\"))) OR (((\"internationale de opposition\") OR (\"internationale d'envoi opposition\"))))".
• Removing quotes may allow a broader search: (((( internationale contre opposition ) OR ( internationale conferentie opposition ))) OR ((( internationale de opposition ) OR ( internationale d'envoi opposition )))).
• Adding a wildcard symbol may retrieve word variants: (((("internationale contre opposition") OR ("internationale conferentie opposition"))) OR ((("internationale de opposition") OR ("internationale d'envoi opposition"))))*.