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

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

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