Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh thang » danh thang, minh thang, nhanh thang
hanh tran » hanh trang, thanh tran, hanh tram
xanh than » danh thanh, danh thang, ban than
ho chieu » theo chieu, hoc thieu, doi chieu
ban song » bang song, bean song, ban cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((hanh tran) or (canh tranh)) van ban song ((xanh than) OR (manh thang)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tran) OR (canh tranh)) van ban song ((xanh than) OR (manh thang)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tran) or (canh tranh)) van ban song ((xanh than) OR (manh thang)) tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tran) or (canh tranh)) van ban song ((xanh than) OR (manh thang)) tap*.