Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
va duong » van duong, va tuong, va huong
than cao » toan cao, thai cao, than cap
va dung » van dung, vat dung, va ung

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