Perhaps you should try some spelling variations:
zhang ming » zhang xin
qian wang » yiqian wang, qian rong, qian yan
yuan wang » yuan kang, yuan chang, yu wang
ming tong » ming kong, ming hung, ming qing
yan wang » yang yang, yan liang, yan zhang
yu cheng » yu chen, _ cheng
tong seo » hong seo, kong sek, von seo
yu zhen » yu zheng, yu chen, yu zhong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yan wang) or (qian wang))) or (yuan wang)) yun ((yu zhen) OR (yu cheng)) zhang ming tong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan wang) OR (qian wang))) OR (yuan wang)) yun ((yu zhen) OR (yu cheng)) zhang ming tong seo ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yan wang) or (qian wang))) or (yuan wang)) yun ((yu zhen) OR (yu cheng)) zhang ming tong seo ;*".