Perhaps you should try some spelling variations:
selecting patient » selecting talent, selecting treatment, predicting patient
patient risk » patients risk, patient task, patient cost
risk coping » risk pooling
coping shu » cong shu
wang yang » wang yan, wang yanling
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang liang) OR (wang yang)) ((yang up) or (yang jui)) selecting patient risk coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (wang yang)) ((yang up) OR (yang jui)) selecting patient risk coping shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) OR (wang yang)) ((yang up) or (yang jui)) selecting patient risk coping shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang liang) OR (wang yang)) ((yang up) or (yang jui)) selecting patient risk coping shu ;*.