Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cua triet, dua tren
ban anh » ban hanh, ban banh, ban danh
xuc ban » duc ban, cuc ban, quoc ban
van lam » van nam
lam xuc » cam xuc, lam duoc
nang xa » lang xa, nang ma, mang xa
cuu tre » cau tren, cau treo
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: thuoc sach y ((nang xa) OR (nang x)) hoi. hieu van lam xuc ban anh va ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y ((nang xa) OR (nang x)) hoi. hieu van lam xuc ban anh va ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y ((nang xa) OR (nang x)) hoi. hieu van lam xuc ban anh va ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y ((nang xa) OR (nang x)) hoi. hieu van lam xuc ban anh va ((cua tre) or (cuu tre))*.