Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hung » thanh huong, thanh tung, thanh trung
thuc nang » chuc nang, thuc trang, thich nang
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
ho chieu » theo chieu, hoc thieu, mot chieu
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap

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 hung ((cua dang) or (thuc nang)) cong danh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh hung ((cua dang) OR (thuc nang)) cong danh toan cao*.