Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
2f foreign » 2 foreign, 23 foreign, 22 foreign
24 foreign » 4 foreign, 2 foreign, 14 foreign
2f denmark » 2 denmark, 22 denmark, 23 denmark
2f early » 21 early, ef early, f early
20 early » 10 early, 1820 early, 1720 early
11 early » 1 early, 1791 early, 5 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: %22great britain %((2f foreign) OR (24 foreign)) relations %2f denmark %((((2f early) OR (20 early))) OR (11 early)) works to 1800%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22great britain %((2f foreign) OR (24 foreign)) relations %2f denmark %((((2f early) or (20 early))) or (11 early)) works to 1800%22*".