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

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) OR (thien van)) nam tuc xa khanh 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) OR (thien van)) nam tuc xa khanh 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) OR (thien van)) nam tuc xa khanh vai cua tre*".