Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc hien
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin dung
van toan » van tuan, van tan, van thanh
va dung » va duong, 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 trang ((va dung) OR (van dung)) trong ((van toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trang ((va dung) OR (van dung)) trong ((van toan) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh trang ((va dung) OR (van dung)) trong ((van toan) or (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trang ((va dung) OR (van dung)) trong ((van toan) or (manh toan)) cau*.