Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
trang vap » trang vai, trang van, tran van
tran chau » tranh chap, tran huu
doc hieu » toc thieu, hoc thieu, hoc hien
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh

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 - manh ((trang vap) or (trang va)) nhung cong tan tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - manh ((trang vap) OR (trang va)) nhung cong tan tran chau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - manh ((trang vap) or (trang va)) nhung cong tan tran chau*.