Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » su sach, te sach, tu cach
va cham » va chat, va tham
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
vu cham » vu kham, tu cham, qua cham
sang ma » tang ma, nang ma, sang tao
ty sang » ty xang, ty hang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
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) OR (thu sach)) ty sang ma hoi. hieu ((va cham) OR (vu cham)) duc va hanh lai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ty sang ma hoi. hieu ((va cham) or (vu cham)) duc va hanh lai cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ty sang ma hoi. hieu ((va cham) or (vu cham)) duc va hanh lai cua te*.