Perhaps you should try some spelling variations:
wang xiuyan » wang xinyan, wang xuan
china chang » chin chang, china zhang, china changqi
wang yuhan » wang luhang, wang yan, wang yidan
chang mae » chang ha, changes made
mae kong » tan kong, nan kong
kong siu » kong eiu, wong siu, dong sin
gang 13 » gang 1953, zwang 13
gang 3 » gang _, lang 3, wang 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)) ((gang 13) OR (gang 3)) china chang mae kong siu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (wang xiuyan)) ((gang 13) OR (gang 3)) china chang mae kong siu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang xiuyan)) ((gang 13) OR (gang 3)) china chang mae kong siu ;*.