Perhaps you should try some spelling variations:
rent liang » peng liang
wang hong » wang yong, wang hyoung, wang lihong
among hiv » among heis, among di, among hr
liang li » ling li, qiang li, liang wei
hong hai » shang hai, zhong tai, dang hai
dong di » dong sin
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hong ((among hiv) or (dong di)) rent liang li ((hong hai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hong ((among hiv) OR (dong di)) rent liang li ((hong hai) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang hong ((among hiv) or (dong di)) rent liang li ((hong hai) or (hong yu)) ;*.