Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wing tan » wing ian, liang tan, hong tan
yuhan zi » yuan zi, yan zi
chan eng » chan fong, chan kang, chan ming
eng wong » eng hong, eng seng
wong siu » wong shiu, kong siu, wong sau
zi chan » ii chang, yi chang

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

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