Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong van » cong vang, cong san, song van
phong tu » thong tu, phong thuy, phong thi
tuc » thuc, truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh tranh van nhung cong van ((phong tu) or (phong tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh van nhung cong van ((phong tu) OR (phong tuc)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh van nhung cong van ((phong tu) or (phong tuc))*.