Perhaps you should try some spelling variations:
duong van » cong van, duong anh
yan wang » yuan wang, yang yang, qian wang
gong min » song min, gong meng, song ming
wang tin » wang lin, wang qin, wang jing
wing ian » wing tan, wing sun
cong ren » congo rep, congo red, cong sun
jong min » song min, song ming, cog min

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing ian) OR (twinn ian)) ((cong ren) or (duong van)) yan wang tin ((gong min) or (jong min)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing ian) OR (twinn ian)) ((cong ren) OR (duong van)) yan wang tin ((gong min) OR (jong min)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing ian) OR (twinn ian)) ((cong ren) or (duong van)) yan wang tin ((gong min) or (jong min)) ;*".