Perhaps you should try some spelling variations:
wang liang » wang yang
chen yang » chen rong
yang john » young john, king john, yang jin
john wong » john song, john bonn
wong siu » wong shiu, kong siu, wong sau
wang yu » wang yue, sang yu, wann yu
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (wang liang)) wang yu chen yang john wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (wang liang)) wang yu chen yang john wong siu ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (wang liang)) wang yu chen yang john wong siu ;*.