Perhaps you should try some spelling variations:
tang zheng » wang zheng, fang sheng, fang zhen
wang tang » wang yang, tang tang, wang liang
min yuan » meng yuan, min aun, min yue
liu yuan » liu yan, liu jiyuan, liu yu
liu gang » liu gangs, liu yang, liu feng
li gang » ii gang, i gang, li wang
xi tang » xi kang, xi zhang

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