Perhaps you should try some spelling variations:
failure patient » failure patients, failure treatment
wing yanling » wang yanling, wang yangming
patient risk » patients risk, patient task, patient cost
risk tong » risk among, risk along
tong shui » tong hui, cong shu, gong hui
yang jui » yang judy, yang di, yang xi
yang up » tying up, yang jun, hang ups

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: wing yanling ((yang up) OR (yang jui)) failure patient risk tong shui ;~.
• Adding a wildcard symbol may retrieve word variants: wing yanling ((yang up) or (yang jui)) failure patient risk tong shui ;*.