Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
va tuong » va thuong, va thong, xa truong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
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 chieu xanh - thanh trung ((va dung) or (va tuong)) cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung ((va dung) OR (va tuong)) cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung ((va dung) or (va tuong)) cong tan than cau*.