Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cua tre » cua te, cua triet, dua tren
ban anh » ban hanh, ban banh, ban danh
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
lam xuc » cam xuc, lam duoc
cuu tre » cau tren, cau treo
nang xa » lang xa, nang ma, mang xa
va lam » van lam, va lap
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((nang xa) OR (nang x)) hoi. hieu va lam xuc ban anh va ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((nang xa) OR (nang x)) hoi. hieu va lam xuc ban anh va ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y ((nang xa) OR (nang x)) hoi. hieu va lam xuc ban anh va ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: thu sach y ((nang xa) OR (nang x)) hoi. hieu va lam xuc ban anh va ((cua tre) or (cuu tre))*.