Perhaps you should try some spelling variations:
chat long » chat luong, hai long, ha long
thu sach » thuat sach, thuoc sach, thu hoach
van chat » cao chat
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
long va » luong va, long van, blong va
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
tu sach » su sach, te sach, tu cach
cua tre » cua te, cuu tre, cua triet
y dang » ky dang, 2 dang, _ dang
vi cua » vai cua, di cua

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: ((thu sach) OR (tu sach)) y dang ((xay hoi) OR (tay hoi)). hieu van chat long va hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) y dang ((xay hoi) or (tay hoi)). hieu van chat long va hanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) y dang ((xay hoi) or (tay hoi)). hieu van chat long va hanh vi cua tre*.