Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
trinh tin » trinh kinh, trinh toan, trinh tu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh trinh tin dung ((cong dan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh tin dung ((cong dan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh tin dung ((cong dan) or (cong tac)) toan ban*.