Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
hay nhung » tay nhung, tham nhung, thai nhung
ho chieu » theo chieu, hoc thieu, doi chieu
ha nhung » hoa nhung, pha nhung, va nhung
song van » hoang van, trong van, duong van
van bao » van ban, van dao

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 - thanh dung ((ha nhung) OR (hay nhung)) song van bao cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh dung ((ha nhung) OR (hay nhung)) song van bao cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh dung ((ha nhung) OR (hay nhung)) song van bao cao*.