Perhaps you should try some spelling variations:
xgreat britain » great britain, zgreat britain, great brittain
2f foreign » 2 foreign, 23 foreign, 22 foreign
24 foreign » 2 foreign, 14 foreign, 23 foreign
2f denmark » 2 denmark, 22 denmark, 23 denmark
4 foreign » 3 foreign, 5 foreign

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: %xgreat britain %((((2f foreign) OR (4 foreign))) OR (24 foreign)) relations %2f denmark %2 early works to 1800%22.
• Adding a wildcard symbol may retrieve word variants: %xgreat britain %((((2f foreign) or (4 foreign))) or (24 foreign)) relations %2f denmark %2 early works to 1800%22*.