Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh phan » thanh phan, anh phan, hanh nhan
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
hanh han » hanh nhan, hanh san, anh han
toan ban » van ban
toan cao » toan tap
va dung » van dung, va duong, vat dung

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 han) or (hanh phan)) va dung trong van ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh han) OR (hanh phan)) va dung trong van ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh han) or (hanh phan)) va dung trong van ((toan ban) or (toan cao))*.