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