Perhaps you should try some spelling variations:
cash patient » class patient, cash payment, care patient
patient risk » patients risk, patient task, patient cost
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
tong shui » tong hui, cong shu, gong hui
ying jin » yang jin, jing ji, yang jie
jin cash » main cash, can cash, von cash
wang hui » wang hua, wang zhi, wang wei
hong g » hong ng, hong w, hong 7

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 yang ying jin cash patient risk ((((tong shui) OR (wang hui))) OR (hong g)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ying jin cash patient risk ((((tong shui) or (wang hui))) or (hong g)) ;*.