Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tach » chiet tach, chieu sach, chiu trach
hanh trinh » canh tranh, hanh chinh
trinh hanh » trinh thanh, trinh han, trinh anh
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
toan cao » 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: theo chieu tach - hanh trinh hanh dung cong dan ((((toan cao) or (toan ban))) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tach - hanh trinh hanh dung cong dan ((((toan cao) OR (toan ban))) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu tach - hanh trinh hanh dung cong dan ((((toan cao) or (toan ban))) or (van ban))*.