Perhaps you should try some spelling variations:
liu yang » liu yan, du yang, liu feng
liu gang » liu gangs, li gang, liu feng
min long » min hong, pain long, min jeong
yang li » yang lin, yang di, yang xi
yan li » yuan li, gan li, tan li
long d » long do, long du, long _
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yan li) OR (yang li)) ((liu gang) OR (liu yang)) min long d ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yan li) or (yang li)) ((liu gang) OR (liu yang)) min long d ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((yan li) or (yang li)) ((liu gang) OR (liu yang)) min long d ;*.