Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
xa hanh » xa thanh, xa khanh, va hanh
sach ty » sach y, sach tu, sach thu
cam tuc » cam xuc, nam thuc, dam thuc
xang xa » lang xa, mang xa, dang xay
cua tre » cua te, cuu tre, cua triet
ang xa » lang xa, mang xa, dang xay
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((xang xa) OR (ang xa)) hoi. hieu van ((cam tuc) or (cam tu)) xa hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((xang xa) OR (ang xa)) hoi. hieu van ((cam tuc) OR (cam tu)) xa hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((xang xa) OR (ang xa)) hoi. hieu van ((cam tuc) or (cam tu)) xa hanh vai cua tre*".