Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
2f foreign » 2 foreign, 23 foreign, 24 foreign
2f denmark » 22 denmark, 23 denmark, 2.3 denmark
4 foreign » _ foreign, 3 foreign
a foreign » _ foreign
2 denmark » _ denmark, 5 denmark, 4 denmark

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: %22great britain %((2f foreign) OR (((4 foreign) OR (a foreign)))) relations %((2f denmark) OR (2 denmark)) %2 early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22great britain %((2f foreign) or (((4 foreign) OR (a foreign)))) relations %((2f denmark) or (2 denmark)) %2 early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22great britain %((2f foreign) or (((4 foreign) OR (a foreign)))) relations %((2f denmark) or (2 denmark)) %2 early works to 1800%22*.