Perhaps you should try some spelling variations:
2c prescriptions » tcm prescriptions, _ prescriptions, 2 prescription
25 formula » 2 formula, 5 formula, _ formula
c receipts » _ receipts, new receipts, all receipts
2 formulae » 20 formulae, _ formulae, 2 formulas
1720 early » 1727 early, 1820 early, 1770 early
2f early » 24 early, 20 early, 23 early
21 early » 2.1 early, 1 early, 11 early
22 early » 2 early, 12 early, 1722 early

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: %22medicine %((2 formulae) OR (25 formula))%c receipts%2c prescriptions %((((((2f early) OR (21 early))) OR (22 early))) OR (1720 early)) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22medicine %((2 formulae) or (25 formula))%c receipts%2c prescriptions %((((((2f early) OR (21 early))) or (22 early))) or (1720 early)) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22medicine %((2 formulae) or (25 formula))%c receipts%2c prescriptions %((((((2f early) OR (21 early))) or (22 early))) or (1720 early)) works to 1800%22*.