Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong dan » cong san, huong dan, cong dong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - hanh trinh cua ban ((cong dan) OR (((cong tan) OR (cong tac)))) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu tinh - hanh trinh cua ban ((cong dan) or (((cong tan) OR (cong tac)))) toan ban~".
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - hanh trinh cua ban ((cong dan) or (((cong tan) OR (cong tac)))) toan ban*.