Perhaps you should try some spelling variations:
chieu tach » chieu sach, chiu trach, chieu tinh
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
trinh hanh » trinh thanh, trinh han, trinh anh
hanh hang » thanh hang, hang hang, hanh han
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: ho ((chieu tach) OR (chiet tach)) - canh trinh hanh hang ((cong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tach) OR (chiet tach)) - canh trinh hanh hang ((cong dan) OR (cong tan)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tach) OR (chiet tach)) - canh trinh hanh hang ((cong dan) or (cong tan)) toan cao*".