Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan wang » yuan wang, yan wang, yuhuan huang
hua rent » hua ren
yang jin » yang jie, yang jun, ying jin
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
yan jiu » yang jie, 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: wang yuhan wang hua rent ((yan jiu) or (yang jin)) ((wong sau) OR (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan wang hua rent ((yan jiu) OR (yang jin)) ((wong sau) OR (wong sam)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan wang hua rent ((yan jiu) or (yang jin)) ((wong sau) OR (wong sam)) ;*".