Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
tuong dan » huong dan, tung dan, xuong dan
cua dong » chua dong, cua cong, cua dang
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 - thanh tinh ((cua thong) or (cua dong)) tuong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tinh ((cua thong) OR (cua dong)) tuong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tinh ((cua thong) or (cua dong)) tuong dan ((toan cau) or (toan cao))*.