Perhaps you should try some spelling variations:
benefit patients » benefit payments, benefit payment, benefit clients
select patients » cleft patients, selecting patient, service patients
wang liang » wang yang
pang jun » yang jui
gong hui » tong hui, tong shui, wang hui
yang up » yang jui, tying up, yang jun

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 up) or (pang jun)) ((select patients) OR (benefit patients)) en gong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yang up) OR (pang jun)) ((select patients) OR (benefit patients)) en gong hui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yang up) or (pang jun)) ((select patients) OR (benefit patients)) en gong hui ;".
• Adding a wildcard symbol may retrieve word variants: wang liang ((yang up) or (pang jun)) ((select patients) OR (benefit patients)) en gong hui ;*.