Perhaps you should try some spelling variations:
cheng zhang » zhen zhang, chen zheng, china zhang
chen zhang » zhen zhang, chen zheng, chen shuang
lang wang » lang lang, hong wang, ping wang
cheng han » chen hao
xin song » jin song, xin tong, kim song
yan zi » yan zhi, yuan zi, ban zi
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang wang yan zi ((chen zhang) or (((cheng zhang) OR (cheng han)))) xin song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang wang yan zi ((chen zhang) OR (((cheng zhang) OR (cheng han)))) xin song shin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang wang yan zi ((chen zhang) or (((cheng zhang) OR (cheng han)))) xin song shin ;*".