Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuoc sinh
thuat sach » thuat lanh, thuat san
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
lam xuc » cam xuc, lam duoc
van lam » van nam
nang ma » tang ma, sang ma, nang cao
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
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) or (thuat sach)) y nang ma 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) OR (thuat sach)) y nang ma hoi. hieu van lam xuc ban anh va ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (thuat sach)) y nang ma hoi. hieu van lam xuc ban anh va ((cua tre) or (cuu tre))*.