Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue bang » thu bang, thien bang, thuat bang
van dinh » van minh, van dich, xuan dinh
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
va dinh » va kinh, va tinh, vu dinh
cua tre » cua te, cuu tre, cua triet
do thuc » hoc thuc, dan thuc
co thuc » co thua, mo thuc, so thuc
hieu va » lieu va, hieu qua
bang xa » lang xa, bang va, mang xa

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: te sach thue bang xa hoi. hieu va ((co thuc) OR (do thuc)) ((va dinh) OR (van dinh)) vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thue bang xa hoi. hieu va ((co thuc) OR (do thuc)) ((va dinh) or (van dinh)) vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach thue bang xa hoi. hieu va ((co thuc) OR (do thuc)) ((va dinh) or (van dinh)) vai cua tre*.