Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach tu, sach thu, xach tay
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam
o hoi » co hoi, o hoc, o hai

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 y)) nang o hoi. hieu ((ve cam) OR (va cham)) tuc va hanh vai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang o hoi. hieu ((ve cam) or (va cham)) tuc va hanh vai cua tre*.