Perhaps you should try some spelling variations:
tcm prescriptions » tcm prescription, some prescriptions, test prescriptions
2f formulae » 2 formulae, 20 formulae, dnf formulae
10 formulae » 10 formulas, 11 formulae, 17 formulae
c receipts » _ receipts, new receipts, all receipts
2f early » 24 early, 20 early, 21 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 %((2f formulae) OR (10 formulae))%c receipts%((_ prescriptions) OR (tcm prescriptions)) %2f early works to 1800%22.
• Adding a wildcard symbol may retrieve word variants: %22medicine %((2f formulae) or (10 formulae))%c receipts%((_ prescriptions) or (tcm prescriptions)) %2f early works to 1800%22*.