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