Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
fang yuan » wang yan, meng yuan, tang yun
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
jin wong » jin song, john wong, jin ying
wong sau » wong sam, wong siu, wong shiu
tan hua » tuan hua, wang hua, tan chia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yuhan) or (fang yuan)) tan hua rene yang jin wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (fang yuan)) tan hua rene yang jin wong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (fang yuan)) tan hua rene yang jin wong sau ;*.