Perhaps you should try some spelling variations:
wang xiaoyi » wang xiaolin, wang xiaozu, wang xiaoping
wang xiao » wang qiao, wang xiaozu, huang xiao
yang khan » yang dean, yang fan, yang ka
khan sher » han shen, khan syed, than she
sher chan » shen chang, sheri chaney
chan ming » kian ming, chan eng, chan fong
ming cong » minh cong, ming kong, ming code

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiao) OR (wang xiaoyi)) yang khan sher chan ming cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiao) OR (wang xiaoyi)) yang khan sher chan ming cong shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang xiao) OR (wang xiaoyi)) yang khan sher chan ming cong shu ;*.