Perhaps you should try some spelling variations:
cheng zhen » chen zhen, cheng zhang, chen zhe
yuan cheng » yuan chang, huang cheng, yu cheng
wang yang » wang yan, wang liang, wang yanling
yang jin » yang jie, yang jun, ying jin
yang xi » yang yi, yang jui
zhen yi » zhen wei, zheng yu
yi hang » yi chang, yin hang, yi gang
1 yuan » _ yuan
hang c » chang c, hang _, hang j
ngo 1 » nao 1, ngo _, ngo a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang yang) or (yang jin))) or (((yang di) or (yang xi))))ngo 1 yuan cheng zhen yi hang c ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yang) OR (yang jin))) OR (((yang di) OR (yang xi))))ngo 1 yuan cheng zhen yi hang c ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yang jin))) or (((yang di) or (yang xi))))ngo 1 yuan cheng zhen yi hang c ;*.