Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu tinh » trieu tinh, lieu tinh, chau tinh
cang thang » dang thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh cua » trinh cua, sinh cua, tinh chat
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: hoc chieu tinh - hanh tinh cua cong ((cong thanh) or (cang thang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh tinh cua cong ((cong thanh) OR (cang thang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh tinh cua cong ((cong thanh) or (cang thang)) toan ban*.