Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang xuan » wang xiuyan, wang xueman, wang yuhan
tian john » brian john, ethan john, tuman john
xuan hua » tuan hua, xuan thuy, tan hua
yan john » ryan john, gain john, von john
wong sam » wong sau, wong lai, kong sar
hua ren » hua 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 wang xuan hua ren ((yan john) OR (tian john)) ((wong sam) or (kong (sar or star))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang xuan hua ren ((yan john) OR (tian john)) ((wong sam) OR (kong (sar OR star))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang xuan hua ren ((yan john) OR (tian john)) ((wong sam) or (kong (sar or star))) ;".
• Adding a wildcard symbol may retrieve word variants: wang wang xuan hua ren ((yan john) OR (tian john)) ((wong sam) or (kong (sar or star))) ;*.