Perhaps you should try some spelling variations:
tay khao » tham khao, va khao, tay cao
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
tay ho » tay co, tay o
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, te cua

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly va ((tay ho) OR (tay khao)). hieu van cam xuc va hanh ve cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ly va ((tay ho) OR (tay khao)). hieu van cam xuc va hanh ve cua tre*.