Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
sang minh » kang minah, anh minh, song ming
tran wong » tran hoang, tran luong
wing tan » wing ian, liang tan, hong tan
yan guan » gan guan, yan yuan, yang guang
song min » song ming, gong min, jong min
wong siu » wong shiu, kong siu, wong sau
dong di » dong sin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing tan) or (dong di)) ((yang liang) or (yan guan)) ((sang minh) OR (song min)) tran wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing tan) OR (dong di)) ((yang liang) OR (yan guan)) ((sang minh) OR (song min)) tran wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing tan) or (dong di)) ((yang liang) or (yan guan)) ((sang minh) OR (song min)) tran wong siu ;*".