Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
bien tinh » bi tinh, diep tinh, ban tinh
trinh cua » tinh cua, trinh luat, trinh quan
yen tinh » tuyen tinh
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 ((bien tinh) or (yen tinh)) - hanh trinh cua cong ((cong dan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((bien tinh) OR (yen tinh)) - hanh trinh cua cong ((cong dan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((bien tinh) or (yen tinh)) - hanh trinh cua cong ((cong dan) or (cong tac)) toan ban*.