Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
van thong » van thuong, van phong, va thong
tan thanh » tran thanh, tang thanh, toan thanh
tran van » luan van
cong tan » cong tac, cong san, cong thanh
thanh ca » thanh cha, thanh cac, thanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (thien anh)) - thanh tran van thong cong tan thanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - thanh tran van thong cong tan thanh ca*.