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
luan ung » luan hung, luan chung, luan luong
luon ung » luoc ung, luon suong, luong dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 trang ((luan ung) or (luon ung)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trang ((luan ung) OR (luon ung)) cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trang ((luan ung) or (luon ung)) cong dan toan cau*.