Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, song van, cong tan
cong san » cong tac
phong tu » phong tuc, thong tu, phong thuy

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh tranh van nhung ((cong van) OR (cong san)) phong tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - canh tranh van nhung ((cong van) OR (cong san)) phong tu".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh van nhung ((cong van) OR (cong san)) phong tu*.