Perhaps you should try some spelling variations:
yang khan » yang dean, yang fan, yar khan
sher chan » shen chang, sheri chaney
hua xiao » hu xiao, huang xiao, wu xiao
chan eng » chan fong, chan kang, chan ming
eng code » eg code, ming code, eu code
code shu » code ctu
yang ka » yang fan, yang yao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hua xiao) OR (hua xiaozu)) ((yang khan) OR (yang ka)) sher chan eng code shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hua xiao) or (hua xiaozu)) ((yang khan) OR (yang ka)) sher chan eng code shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((hua xiao) or (hua xiaozu)) ((yang khan) OR (yang ka)) sher chan eng code shu ;*.