Perhaps you should try some spelling variations:
inpatient care » outpatient care
patients risk » patient risk, patients links, patients si
among letters » among lecturers, among learners, among masters
yang zhong » xiang zhong, tang zheng, wang hong
wang yang » wang yan, wang liang, wang yanling
can close » can lose, a close, can cause
fan lose » can lose, can lost, fan cone

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 zhong ((fan lose) OR (can close)) ((patients risk) or (inpatient care)) among letters ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang zhong ((fan lose) OR (can close)) ((patients risk) OR (inpatient care)) among letters ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang zhong ((fan lose) OR (can close)) ((patients risk) or (inpatient care)) among letters ;*".