Perhaps you should try some spelling variations:
tang zheng » wang zheng, fang sheng, tan cheng
fang zhen » fang sheng, wang zheng, fang zhou
wang song » wang yong, wang hong, wang sonne
min yuan » meng yuan, min aun, min yue
liu yuan » liu yan, liu jiyuan, liu yu
gang yao » yang yao, wang yan, ganga ya
yi gang » ii gang, i gang, li gang

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