Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tinh » thanh binh, nhanh tinh, than kinh
tuong dan » huong dan, tung dan, truong dai
xuong dan » huong dan, xuong san, nguong dan
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban
tinh va » tich va, trinh van, trinh vat

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 tinh va nhung ((tuong dan) or (xuong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tinh va nhung ((tuong dan) OR (xuong dan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tinh va nhung ((tuong dan) or (xuong dan)) toan tap*.