Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hanh vai » hanh vi, hanh va, hanh tai
lang xa » lang ha, dang xay, lang van
su cham » su pham, vu cham, qua cham
tu cham » toc cham, thi cham
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
y lang » o lang, _ lang, tay lang
soc va » hoc va, loc va, doc va
cua cu » cua chu, cua cau, cua su

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: thuoc sach y lang xa hoi. hieu ((su cham) OR (tu cham)) soc va hanh vai cua cu~.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y lang xa hoi. hieu ((su cham) or (tu cham)) soc va hanh vai cua cu*.