Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
quan kang » yuan kang, chan kang
kang wong » kang young
wong shiu » wong siu, cong shu, song shin
long tan » hong tan, long han, long thanh
yuhan zi » yuan zi, yan zi
zi quan » li quan, zi yuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((long tan) or (dong sin)) wang yuhan zi quan kang wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((long tan) OR (dong sin)) wang yuhan zi quan kang wong shiu ;*.