Perhaps you should try some spelling variations:
cancer patient » cancer patients, cancer treatment
wang danning » wang yanling, wang daoping, wang yangming
patient tot » patient cost, patient co, patient what
tot among » test among, out among
among new » among jews, among low, among eu
tying up » taking up, tying _
yang jui » yang di, yang xi, yang yi
judy » july

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: wang danning ((tying up) OR (((yang jui) OR (yang judy)))) cancer patient tot among new ;~.
• Adding a wildcard symbol may retrieve word variants: wang danning ((tying up) or (((yang jui) or (yang judy)))) cancer patient tot among new ;*.