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
vu dinh » quy dinh
va dinh » va kinh, va tinh, va sinh
co thuc » do thuc, co thua, mo thuc
hieu va » lieu va, hieu qua
bang xa » lang xa, bang va, mang xa
cua tre » cua te, cuu tre, cua triet
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thue bang xa hoi. hieu va co thuc ((((va dinh) OR (vu dinh))) or (van dinh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thue bang xa hoi. hieu va co thuc ((((va dinh) OR (vu 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 ((((va dinh) OR (vu 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 ((((va dinh) OR (vu dinh))) or (van dinh)) vai cua tre*.