Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » trinh luat, trinh quan, trinh luan
thanh lap » thanh san, phan lap, thanh hai
tinh cua » sinh cua, tinh chat, tranh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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