Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
2f history » imf history, etf history, ref history
2f george » 26 george, 2 george, 22 george
2.1 early » 1.1 early, 11 early
20 early » 10 early, 1820 early, 1720 early
21 early » 11 early, 1.1 early
2c 1727 » 29 1727, 28 1727, 22 1727

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 history %2f george iii%2c 1727-1760 %((20 early) OR (((21 early) OR (2.1 early)))) works to 1800%22.
• Adding a wildcard symbol may retrieve word variants: %22great britain %2f history %2f george iii%2c 1727-1760 %((20 early) or (((21 early) or (2.1 early)))) works to 1800%22*.