Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang ryan » wang yan, wang yang, wang ban
hong sau » wong sau, hong paul, kong sar
tan how » tan hong, plan how, lean how
yang xi » yang di, yang yi, yang jui
xi hong » xie hong, kia hong, thi hong
best » west

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 (wang ryan)) tan how best yang xi hong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang ryan)) tan how best yang xi hong sau ;*.