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