Perhaps you should try some spelling variations:
zgreat britain » great britain, great brittain, great britains
xgreat britain » great britain, great brittain, great britains
2.3 denmark » 2.4 denmark, 13 denmark, 2 denmark
2f foreign » 2 foreign, 23 foreign, 24 foreign
23 denmark » 13 denmark, 2 denmark, 22 denmark
22 early » 2 early, 12 early, 1722 early

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: %((zgreat britain) OR (xgreat britain)) %2f foreign relations %((2.3 denmark) OR (23 denmark)) %22 early works to 1800%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((zgreat britain) OR (xgreat britain)) %2f foreign relations %((2.3 denmark) or (23 denmark)) %22 early works to 1800%22*".