Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
sang tao » hang tai
va hanh » van hanh, va thanh, ban hanh
lai cuu » lai cua, lai chau, lai cuoc
va danh » va dinh, va dan, dia danh
tieu su » thieu so
su cham » su pham, tu cham, vu cham
sach ty » sach y, sach tu, xach tay
tao hoi » tao khoi, tao boi, tay hoi
cuu tre » cua tre, cau tren, cau treo

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 ty) OR (sach thu)) sang tao hoi. tieu su cham soc ((va hanh) OR (va danh)) lai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach thu)) sang tao hoi. tieu su cham soc ((va hanh) or (va danh)) lai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach thu)) sang tao hoi. tieu su cham soc ((va hanh) or (va danh)) lai cuu tre*.