Perhaps you should try some spelling variations:
hanh thong » anh thong, hanh trong, hang thong
chieu xanh » chieu sach, chieu sang, chieu tinh
quan nhung » qua nhung, cua nhung, luan chung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap
ha tinh » va tinh, may tinh

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