Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
tinh va » tich va, trinh van, trinh vat
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu xanh)) - thanh tinh va dung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - thanh tinh va dung cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - thanh tinh va dung cong tan toan tap*.