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