Perhaps you should try some spelling variations:
wang binh » wang jing, wang ban, wang lin
wang ning » wang jing, wang liang, wang yang
yang john » young john, king john, yang jin
hua chen » jui chen, yu chen, hua ren
yang jie » yang jin, yang di, yang jui
wong sam » wong sau, wong lai, kong sar
a chen » ta chen, _ chen, n 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 binh) or (wang ning)) tran ((hua chen) OR (a chen)) ((yang john) or (yang jie)) wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang binh) OR (wang ning)) tran ((hua chen) OR (a chen)) ((yang john) OR (yang jie)) wong sam ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang binh) or (wang ning)) tran ((hua chen) OR (a chen)) ((yang john) or (yang jie)) wong sam ;".
• Adding a wildcard symbol may retrieve word variants: ((wang binh) or (wang ning)) tran ((hua chen) OR (a chen)) ((yang john) or (yang jie)) wong sam ;*.