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 » 2 denmark, 23 denmark, 2.3 denmark
22 denmark » 2 denmark, 23 denmark, 8.2 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: %22great britain %((2f foreign) OR (4 foreign)) relations %((2f denmark) OR (22 denmark)) %2 early works to 1800%22.
• Adding a wildcard symbol may retrieve word variants: %22great britain %((2f foreign) or (4 foreign)) relations %((2f denmark) or (22 denmark)) %2 early works to 1800%22*.