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