Perhaps you should try some spelling variations:
liu jiyuan » liu jinyuan, liu zhiyuan
gang zheng » tang zheng, wang zheng, fang sheng
wang tang » wang yang, tang tang, wang liang
liu yuan » liu yan, liu yu, chu yuan
yi yang » yin yang, yu yang, ying yang
yang yi » yang di, yang xi, yang jui
yi gang » ii gang, i gang, li gang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tang ((liu yuan) OR (liu jiyuan)) yi yang yi gang zheng ;~".
• Adding a wildcard symbol may retrieve word variants: wang tang ((liu yuan) OR (liu jiyuan)) yi yang yi gang zheng ;*.