Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
sach thu » sach thue, sach thieu, sach tham
bo sach » co sach, hoc sach
ve phan » va phan, ke phan, ve phat
nang ma » sang ma, nang cao, mang may
vai cua » dai cua, hai cua, lai cua
tang ma » mang may, tang van
va hanh » van hanh, va thanh, va danh
chuc va » thuc va, thuc vat
v pham » vi pham, d pham
cua tu » cua tuc, cua su, cua cu

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: bo sach thu ((nang ma) OR (tang ma)) hoi. hieu ((v pham) OR (ve phan)) chuc va hanh vai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach thu ((nang ma) OR (tang ma)) hoi. hieu ((v pham) or (ve phan)) chuc va hanh vai cua tu~".
• Adding a wildcard symbol may retrieve word variants: bo sach thu ((nang ma) OR (tang ma)) hoi. hieu ((v pham) or (ve phan)) chuc va hanh vai cua tu*.