Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
wang qian » wang qiao, wang qin, wang liang
chan fong » chew fong, chan eng, chan kang
qian yan » qian jun, qian yi
yan yuan » yan guan, fang yuan, nan yan
cong zhi » zhong zhi, wang zhi, cong shu
han en » han men, van en, chan eng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang qian yan yuan cheng ((chan fong) or (han en)) cong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qian yan yuan cheng ((chan fong) OR (han en)) cong zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang qian yan yuan cheng ((chan fong) or (han en)) cong zhi ;*.