Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
meng yuan » meng hsuan, fang yuan, feng juan
juan rene » juan meng, juan rana
yang jin » yang jie, yang jun, ying jin
jin wong » jin song, john wong, jin ying
wong sau » wong sam, wong siu, wong shiu
hua ren » hua chen

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 (meng yuan)) wang ((((hua rene) OR (juan rene))) or (hua ren)) yang jin wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (meng yuan)) wang ((((hua rene) OR (juan rene))) OR (hua ren)) yang jin wong sau ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (meng yuan)) wang ((((hua rene) OR (juan rene))) or (hua ren)) yang jin wong sau ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (meng yuan)) wang ((((hua rene) OR (juan rene))) or (hua ren)) yang jin wong sau ;*.