Perhaps you should try some spelling variations:
wang yidan » wang yan
han choong » han chang
choong wan » chong wan
zhong zhi » zhang zhi, zhong tai
wang han » wang yan, kang han, wang ban
wan ming » kian ming, chan ming, yuan ming
hong ghi » hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yiqian) OR (wang yidan)) wang han choong wan ming ((zhong zhi) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yiqian) OR (wang yidan)) wang han choong wan ming ((zhong zhi) OR (hong ghi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yiqian) OR (wang yidan)) wang han choong wan ming ((zhong zhi) or (hong ghi)) ;*".