Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trong san » trong cac, cong san, dong san
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dang, cua dong, qua dung
ban cua » ban quan
san van » tan van, luan van, tran van
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 (chieu sach))) or (chuc nang)) - hanh ban cua dung trong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu sach))) OR (chuc nang)) - hanh ban cua dung trong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu xanh) OR (chieu sach))) or (chuc nang)) - hanh ban cua dung trong san van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) OR (chieu sach))) or (chuc nang)) - hanh ban cua dung trong san van ban*.