Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
sang minh » kang minah, anh minh, song min
minh kang » minh cong, jin kang
cong van » congo can, duong van, cong sun
gan guan » yan guan, quan guan, fan guon
kong siu » kong eiu, wong siu, kong sar
sin » sign, sind, skin

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

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