Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
trong dong » trong cong, trong nong, trong dang
cua trong » cua truong, cua trung, qua trong
hanh ban » thanh ban, hang ban, hanh san
van toan » van tuan, van thanh, manh toan
ban cua » ban quan
van tan » van tuan, van ban, van tai

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)) - hanh ban cua trong dong ((van toan) OR (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - hanh ban cua trong dong ((van toan) OR (van tan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chiet tach)) - hanh ban cua trong dong ((van toan) OR (van tan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - hanh ban cua trong dong ((van toan) OR (van tan)) cao*.