Perhaps you should try some spelling variations:
sach duy » sach dung, sach duoc, sach dat
sach dao » lanh dao
cham duc » pham duc, cham soc, pham duy
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
hien tu » khien tu, dien tu
tu cham » toc cham, thi cham
tao hoi » tao khoi, tao boi, tay hoi
can tao » cau tao, can tho, cai tao
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach duy) OR (sach dao)) can tao hoi. hien tu cham duc ((va hanh) OR (va danh)) lai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach duy) OR (sach dao)) can tao hoi. hien tu cham duc ((va hanh) or (va danh)) lai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach duy) OR (sach dao)) can tao hoi. hien tu cham duc ((va hanh) or (va danh)) lai cua te*.