Perhaps you should try some spelling variations:
proms patient » from patient, cross patient, does patient
cost patient » cross patient, courts patient, class patient
wang yang » wang yan, wang liang, wang yanling
among hui » among heis, among eu, tong hui
yang jun » yang jui, pang jun, yang jin
yang up » yang jui, tying up, hang ups

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 up) or (yang jun)) ((cost patient) or (proms patient)) risk among hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang up) OR (yang jun)) ((cost patient) OR (proms patient)) risk among hui ;.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang up) or (yang jun)) ((cost patient) or (proms patient)) risk among hui ;*.