Perhaps you should try some spelling variations:
"internationale conferentie opposition" » "international conference opposition" (Expand Search)
"internationale d'envoi opposition" » "internationale design opposition" (Expand Search), "internationale d'ete opposition" (Expand Search)
"internationale des opposition" » "internationale d'ete opposition" (Expand Search), "internationale des propositions" (Expand Search)
"internationale de opposition" » "internationale d'ete opposition" (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 conferentie opposition\") OR (((((\"internationale d'envoi opposition\") OR (\"internationale de opposition\"))) OR (\"internationale des opposition\"))))))~".
• Removing quotes may allow a broader search: (( international de l'opposition ) OR ((( internationale conferentie opposition ) OR ((((( internationale d'envoi opposition ) OR ( internationale de opposition ))) OR ( internationale des opposition ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("international de l'opposition") OR ((("internationale conferentie opposition") OR ((((("internationale d'envoi opposition") OR ("internationale de opposition"))) OR ("internationale des opposition"))))))*.