Perhaps you should try some spelling variations:
chetna zhang » cheng zhang, china zhang, zhen zhang
qiao yuan » xiao yuan, chiao yuan, jiao yan
ii chetna » ii china
lai chung » wai chung
qian yan » qian jun, qian yi
hai cong » pham cong, bai chong, hai phong
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((qiao yuan) OR (qian yan)) ii chetna zhang ((hai cong) or (lai chung)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((qiao yuan) OR (qian yan)) ii chetna zhang ((hai cong) OR (lai chung)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((qiao yuan) OR (qian yan)) ii chetna zhang ((hai cong) or (lai chung)) shu ;*".