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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international de l'opposition\") OR (((\"internationale d'ete opposition\") OR (((((\"internationale des l'opposition\") OR (\"internationale conferentie opposition\"))) OR (\"internationale d'envoi opposition\"))))))~".
• Removing quotes may allow a broader search: (( international de l'opposition ) OR ((( internationale d'ete opposition ) OR ((((( internationale des l'opposition ) OR ( internationale conferentie opposition ))) OR ( internationale d'envoi opposition ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("international de l'opposition") OR ((("internationale d'ete opposition") OR ((((("internationale des l'opposition") OR ("internationale conferentie opposition"))) OR ("internationale d'envoi opposition"))))))*.