Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
dang xay » dang van, van xay
sach thu » sach thue, sach thieu, sach tham
vai cua » dai cua, hai cua, lai cua
xa hanh » xa thanh, xa khanh, va hanh
nam tuc » nam thuc, nam truc, nam thuoc
cua tre » cua te, cuu tre, cua triet
xay hoi » xa hoi, tay hoi, cay phoi
nam tu » nam thu, nam thuc

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 thu) or (sach y)) dang xay hoi. hieu van ((nam tuc) OR (nam tu)) xa hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach y)) dang xay hoi. hieu van ((nam tuc) OR (nam tu)) xa hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) or (sach y)) dang xay hoi. hieu van ((nam tuc) OR (nam tu)) xa hanh vai cua tre*".