Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
cuu nong » cuu cong, cuu tong, cuu long
cuu nang » chuc nang, cam nang, cuu van
cong tan » cong tac, cong san, cong thanh
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trung ((cuu nong) OR (cuu nang)) ((huong dan) or (cong tan)) can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cuu nong) OR (cuu nang)) ((huong dan) OR (cong tan)) can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cuu nong) OR (cuu nang)) ((huong dan) or (cong tan)) can cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cuu nong) OR (cuu nang)) ((huong dan) or (cong tan)) can cau*.