Perhaps you should try some spelling variations:
some descriptions » some prescriptions, site descriptions, game descriptions
tcm prescriptions » tcm prescription, some prescriptions, test prescriptions
2 prescription » 12 prescription, 21 prescription, 22 prescription
2f formulae » 2 formulae, 20 formulae, dnf formulae
2c receipts » 25 receipts, 2.2 receipts, 2.3 receipts
c receipts » _ receipts, new receipts, all receipts
21 early » 2.1 early, 1 early, 11 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%((2c receipts) OR (c receipts))%((2 prescription) OR (((tcm prescriptions) OR (some descriptions)))) %21 early works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22medicine %2f formulae%((2c receipts) OR (c receipts))%((2 prescription) or (((tcm prescriptions) or (some descriptions)))) %21 early works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22medicine %2f formulae%((2c receipts) OR (c receipts))%((2 prescription) or (((tcm prescriptions) or (some descriptions)))) %21 early works to 1800%22*.