Perhaps you should try some spelling variations:
quan kang » yuan kang
chan kang » chung kang, chan eng, chan fong
wing ian » wing tan, twinn ian, wing sun
gan yuan » gan guan, yan yuan, fang yuan
kong siu » kong eiu, wong siu, dong sin
dong di » dong sin
yuan li » yuan lin, guan li, yuan zi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing ian) or (dong di)) gan yuan li ((quan kang) OR (chan kang)) kong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing ian) OR (dong di)) gan yuan li ((quan kang) OR (chan kang)) kong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing ian) or (dong di)) gan yuan li ((quan kang) OR (chan kang)) kong siu ;*".