Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
dung cong » dung trong
ban hang » ngan hang
hang dau » hang va, hang tai
tra van » tran van, ta van, trang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh tra van ((thong cong) or (dung cong)) ban hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tra van ((thong cong) OR (dung cong)) ban hang dau*.