Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
doc chieu » doc hieu, doi chieu, toc thieu
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu xanh - ((hanh trang) or (hanh chinh)) cua thong ((cong dan) OR (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - ((hanh trang) OR (hanh chinh)) cua thong ((cong dan) OR (cong tan)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chieu xanh - ((hanh trang) or (hanh chinh)) cua thong ((cong dan) OR (cong tan)) than cau".
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - ((hanh trang) or (hanh chinh)) cua thong ((cong dan) OR (cong tan)) than cau*.