Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nong » cua cong, cuu nong, cua dong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 - thanh dung ((cua nong) or (cua dang)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh dung ((cua nong) OR (cua dang)) cong tan toan cao*.