Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
ty hang » ly hang, ty xang, thi hang
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
va cam » va cham, va cac, va cao
ve cai » va cai, ve cac, ve tai
cua te » cua tu
x hoi » xa hoi, o hoi, 5 hoi

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 hang ((x hoi) OR (x ho)). hieu ((ve cai) OR (va cam)) duc va hanh vai cua te~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty hang ((x hoi) or (x ho)). hieu ((ve cai) or (va cam)) duc va hanh vai cua te*.