Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong ty
tran ban » tranh ban, tran van, toan ban

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 - thanh tinh ((cua tong) or (cua dong)) ((cong tan) or (cong thanh)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - thanh tinh ((cua tong) OR (cua dong)) ((cong tan) OR (cong thanh)) tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh tinh ((cua tong) or (cua dong)) ((cong tan) or (cong thanh)) tran ban*.