Perhaps you should try some spelling variations:
huang cheng » huang chang, hong cheng, huang weng
wang tang » wang yang, tang tang, wang liang
tang fang » tang tang, zhang fang, yang fan
fang yuan » wang yuhan, wang yan, meng yuan
yuan lin » yuan li, duan lian, huang lin
yong cai » yong c, yong wah
dong cao » dong xiao, dan cao, dong nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang tang fang yuan lin ((yong cai) OR (dong cao)) huang cheng ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tang fang yuan lin ((yong cai) OR (dong cao)) huang cheng ;*".