Perhaps you should try some spelling variations:
wang xueman » wang xuan
china zhang » china chang, chin chang, china han
cheng zhang » cheng han, zhen zhang, chen zheng
bai chong » lai chung, wai chung, hai phong
chong shu » cong shu, chong suk
fang xia » yang xi, fang a, fang ri

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xueman fang xia ((china china) or (((china zhang) OR (cheng zhang)))) bai chong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xueman fang xia ((china china) OR (((china zhang) OR (cheng zhang)))) bai chong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xueman fang xia ((china china) or (((china zhang) OR (cheng zhang)))) bai chong shu ;*".