Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
ngan dung » ngan hang, van dung, dan dung
bang song » nang song
song xanh » song hanh, hoang xanh, duong xanh
xanh toan » manh toan, anh toan, thanh toan
dung cua » dung luan, dung cho
cua bang » chua bang, cua ban, cua dang
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: theo ((chieu sach) OR (chiet tach)) - ngan dung cua bang song xanh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - ngan dung cua bang song xanh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - ngan dung cua bang song xanh toan ban*.