Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua thong » cua thuong, cua khong, cua tong
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan tap
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 xanh - hanh tinh cua thong ((cong tan) or (cong san)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh tinh cua thong ((cong tan) OR (cong san)) ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tinh cua thong ((cong tan) or (cong san)) ((toan cao) or (toan ban))*.