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