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