Perhaps you should try some spelling variations:
wang xiuyan » wang xinyan, wang xuan
china zhang » china chang, cheng zhang, chin chang
wang yuhan » wang luhang, wang yan, wang yidan
ho kwong » hon kwong, _ kwong
3 china » 2 china, 4 china, 3 china's
ha wong » ha huong
yang 3 » yang _, yang 8, gang 3

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang xiuyan)) yang 3 china zhang ((ha wong) OR (ho kwong)) siu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (wang xiuyan)) yang 3 china zhang ((ha wong) OR (ho kwong)) siu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang xiuyan)) yang 3 china zhang ((ha wong) OR (ho kwong)) siu ;*.