Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
2f foreign » 2 foreign, 23 foreign, 27 foreign
22 foreign » 2 foreign, 12 foreign, 23 foreign
24 foreign » 4 foreign, 2 foreign, 14 foreign
23 denmark » 2.3 denmark, 3 denmark, 13 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 (22 foreign))) OR (24 foreign)) relations %23 denmark %2 early works to 1800%22.
• Adding a wildcard symbol may retrieve word variants: %22great britain %((((2f foreign) or (22 foreign))) or (24 foreign)) relations %23 denmark %2 early works to 1800%22*.