Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
va thong » va thuong, va phuong, he thong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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 hang va thong ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh hang va thong ((cong dan) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh hang va thong ((cong dan) or (cong tan)) toan cau*.