Perhaps you should try some spelling variations:
inpatient care » outpatient care
among masters » among partners, among farmers, among actors
patient risk » patients risk, patient task, patient cost
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang fan » zhang fan, yang dean, yang jin
fan lose » can lose, can close, can lost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang fan lose ((patient risk) or (inpatient care)) among masters ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang fan lose ((patient risk) OR (inpatient care)) among masters ;*.