Perhaps you should try some spelling variations:
lose patients » les patients, obese patients, care patients
patients risk » patient risk, patients links, patients si
among members » among member, gang members, non members
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
among ers » among peers, among users, among east
yang can » yang fan, yang dean, yang yang
can lose » can close, can lost, can losers

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 yang can lose patients risk ((among members) or (among ers)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang can lose patients risk ((among members) OR (among ers)) ;*.