Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, anh trinh
canh tinh » hanh tinh, manh tinh, canh tranh
van nhung » van nhuong, va nhung, van hung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - ((canh trinh) OR (canh tinh)) van nhung ((cong dan) or (cong san)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((canh trinh) OR (canh tinh)) van nhung ((cong dan) OR (cong san)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - ((canh trinh) OR (canh tinh)) van nhung ((cong dan) or (cong san)) phan tu".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((canh trinh) OR (canh tinh)) van nhung ((cong dan) or (cong san)) phan tu*.