Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
van thanh » ban thanh, van tuan
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dang, cua dong, qua dung
san toan » van toan, dan toan, manh toan
ban cua » ban quan
chuc » thuc, chu, chua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chuc nang)) - hanh ban cua dung cong ((san toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chuc nang)) - hanh ban cua dung cong ((san toan) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chuc nang)) - hanh ban cua dung cong ((san toan) or (van thanh)) cau*.