Perhaps you should try some spelling variations:
failure patients » care patients
patients risk » patient risk, patients links, patients si
risk along » risk among, ask along
along shi » along who
yang jun » yang jui, pang jun, yang jin
yang up » yang jui, tying up, hang ups
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((yang up) or (yang jun)) failure patients risk along shi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang up) OR (yang jun)) failure patients risk along shi ;*.