Perhaps you should try some spelling variations:
grin john » gain john, green john, brian john
li zhang » _ zhang
run john » ryan john, turn john, von john
wong min » gong min, jong min, song min
min kian » min brian, min jin, min lin
man han » man hat, man can, man kann
ming » wing, ping, mind

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((li zhang) or (man han)) ((run john) OR (grin john)) wong min kian ming ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((li zhang) OR (man han)) ((run john) OR (grin john)) wong min kian ming ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((li zhang) or (man han)) ((run john) OR (grin john)) wong min kian ming ;*".