Perhaps you should try some spelling variations:
fang cheng » fang sheng, huang cheng, fang zhen
wang tang » wang yang, tang tang, wang liang
tang fang » tang tang, zhang fang, yang fan
fang yuan » wang yuhan, wang yan, meng yuan
liu yang » liu yan, du yang
li yang » li ying, li gang, li wang
xi fang » xia fang, xi kang, cai fang

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