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