Perhaps you should try some spelling variations:
yuan ming » kian ming, tuan minh, chan ming
dong sind » dong bin, dong ping
yuan ting » huang ting, yuan kang, yuan lin
wing yan » wang yan, wing ian, wing tan
yi kang » xi kang, yi gang, yi yang
sind » signd, skind, seind
sin » sign, skin, sein

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing yan) or (dong sind)) ya ((yuan ming) OR (yuan ting)) ((yi kang) or (du yang)) dong sin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing yan) OR (dong sind)) ya ((yuan ming) OR (yuan ting)) ((yi kang) OR (du yang)) dong sin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing yan) or (dong sind)) ya ((yuan ming) OR (yuan ting)) ((yi kang) or (du yang)) dong sin ;*".