Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
reef history » brief history, reeves history, reef fishery
ref history » brief history, bief history, imf history
2f george » 26 george, 2 george, 29 george
22 george » 22d george, 26 george, 2 george
2f early » 20 early, 21 early, ef early
28 1727 » 28 1797, 18 1727, 29 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 %((ref history) OR (reef history)) %((2f george) OR (((22 george) OR (12 george)))) iii%28 1727-1760 %2f early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22great britain %((ref history) or (reef history)) %((2f george) or (((22 george) OR (12 george)))) iii%28 1727-1760 %2f early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22great britain %((ref history) or (reef history)) %((2f george) or (((22 george) OR (12 george)))) iii%28 1727-1760 %2f early works to 1800%22*.