Perhaps you should try some spelling variations:
2f emperor » i emperor, ii emperor, vi emperor
i_ emperor » i emperor, ii emperor, iii emperor
iv emperor » i emperor, ii emperor, v emperor
24 1769 » 24 1765, 24 1768, 24 1789
2 1769 » 12 1769, 27 1769, 20 1769
25 _ » 2 _, 20 _, 21 _

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %22napoleon %((25 _) OR (2 i)) %((2f emperor) OR (((((i_ emperor) OR (iv emperor))) OR (_ emperor)))) of the french %((2 1769) OR (24 1769))-1821%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22napoleon %((25 _) or (2 i)) %((2f emperor) or (((((i_ emperor) OR (iv emperor))) or (_ emperor)))) of the french %((2 1769) or (24 1769))-1821%22".
• Adding a wildcard symbol may retrieve word variants: %22napoleon %((25 _) or (2 i)) %((2f emperor) or (((((i_ emperor) OR (iv emperor))) or (_ emperor)))) of the french %((2 1769) or (24 1769))-1821%22*.