Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong tren » thong tran, thong truyen, phuong tren
hoc chieu » hoc thieu, ho chieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
tren toan » trinh toan, tren trang, thien toan
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 - ((thanh trung) or (thanh tung)) cua thong thong tren toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((thanh trung) OR (thanh tung)) cua thong thong tren toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((thanh trung) or (thanh tung)) cua thong thong tren toan ban*.