Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
vat dung » van dung, va dung, viet dung
va duong » van duong, va tuong, va huong
than cau » toan cau, phan cau, than cap

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 cong ((vat dung) or (va duong)) cong thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh cong ((vat dung) OR (va duong)) cong thanh than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh cong ((vat dung) or (va duong)) cong thanh than cau*.