Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua dang » cua cong, cua ban
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - ((hanh trinh) OR (hanh chinh)) cua dang ((cong dan) or (cong san)) thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - ((hanh trinh) OR (hanh chinh)) cua dang ((cong dan) OR (cong san)) thai cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - ((hanh trinh) OR (hanh chinh)) cua dang ((cong dan) or (cong san)) thai cao*".