Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, yan wang
you liang » you xian, you liangzhi
duong anh » dang anh, duong van, trong anh
yang lin » yang jin, wang lin, yang li
cong anh » trong anh, cong van, dang anh
wang » wing, wan, lang
hoang » hong, huang

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

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