Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chiet » doi chieu, doi chi, doi chinh
doi viet » dai viet, hoi viet, oi viet
trinh va » trinh van, trinh vat, trinh ve
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: ((doi chiet) or (doi viet)) tach - hanh trinh va nhung ((cong dan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chiet) OR (doi viet)) tach - hanh trinh va nhung ((cong dan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chiet) or (doi viet)) tach - hanh trinh va nhung ((cong dan) or (cong tac)) toan ban*.