Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
duong anh » dang anh
duong van » cong van
trong anh » trinh anh
hoang hui » chuang hui, hoang vu, wang hui
ying hui » xing hui, yang hui, ying hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ying hui li ((((duong anh) OR (duong van))) or (trong anh)) hoang hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ying hui li ((((duong anh) OR (duong van))) OR (trong anh)) hoang hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying hui li ((((duong anh) OR (duong van))) or (trong anh)) hoang hui ;*".