Perhaps you should try some spelling variations:
national » nationala (Expand Search), nationalen (Expand Search), nationales (Expand Search)
nationale » nationalae (Expand Search), nationalene (Expand Search), nationalese (Expand Search)
nationaleese » nationalaeese (Expand Search), nationaleneese (Expand Search), nationaleseese (Expand Search), nationales (Expand Search), nationalen (Expand Search), nationalist (Expand Search)
nationaler » nationalaer (Expand Search), nationalener (Expand Search), nationaleser (Expand Search), nationalen (Expand Search), nationala (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: estonian (national OR (nationale OR (nationaleese OR nationaler))) assembly~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "estonian (national OR (nationale OR (nationaleese OR nationaler))) assembly".
• Adding a wildcard symbol may retrieve word variants: estonian (national OR (nationale OR (nationaleese OR nationaler))) assembly*.