Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, hoc hien, doc hieu
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: hoc hieu manh - ((hanh trinh) or (canh tranh)) cua thong ((cong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh trinh) OR (canh tranh)) cua thong ((cong dan) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh trinh) or (canh tranh)) cua thong ((cong dan) or (cong tan)) toan cao*.