Perhaps you should try some spelling variations:
wong shiu » wong siu, cong shu, song shin
wen wang » wei wang, chen wang, weng fang
wang dan » wang yan, wang ban, wang yidan
hua chen » jui chen, yu chen, a chen
yang jie » yang jin, yang di, yang jui
wong sam » wong sau, wong lai, kong sar
yan jiu » yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wen wang dan ((hua ren) or (hua chen)) ((yan jiu) OR (yang jie)) ((wong sam) or (wong shiu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wen wang dan ((hua ren) OR (hua chen)) ((yan jiu) OR (yang jie)) ((wong sam) OR (wong shiu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wen wang dan ((hua ren) or (hua chen)) ((yan jiu) OR (yang jie)) ((wong sam) or (wong shiu)) ;*".