Perhaps you should try some spelling variations:
hyoung zhang » young change
yang yang » wang yang, wang yan
yang john » young john, king john, yang jin
john wong » john song, john bonn
hoi yang » hoi ying, hui yang, choi sang
wong siu » wong shiu, kong siu, wong sau
wang » wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang or wing) or lang) ((hyoung zhang) OR (kyoung yang)) hoi yang yang john wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang OR wing) OR lang) ((hyoung zhang) OR (kyoung yang)) hoi yang yang john wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang or wing) or lang) ((hyoung zhang) OR (kyoung yang)) hoi yang yang john wong siu ;*".