Perhaps you should try some spelling variations:
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
hanh vai » hanh va, hanh tai, hanh van
te sach » toc sach
tang ma » mang may, tang van
thuc xa » thuc xay, tuc xa, thuc va
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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 kho tang ma hoi. hieu van nam thuc xa ((hanh vai) OR (hanh vi)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach kho tang ma hoi. hieu van nam thuc xa ((hanh vai) OR (hanh vi)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach kho tang ma hoi. hieu van nam thuc xa ((hanh vai) OR (hanh vi)) cuu tre*.