You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: union bulgare (four OR fur) la paix et (four OR fur) la society des nationen~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "union bulgare (four OR fur) la paix et (four OR fur) la society des nationen".
• Adding a wildcard symbol may retrieve word variants: union bulgare (four OR fur) la paix et (four OR fur) la society des nationen*.