Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san can » san van, ban can, san chang
can cau » van cau, ban cau, ca cau

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 dung cong san can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((thanh trung) OR (thanh tung)) cua dung cong san can cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((thanh trung) or (thanh tung)) cua dung cong san can cau*.