Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
thuoc xa » thuoc ma, thuoc va, thuoc la
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
tang ma » mang may, tang van
cuu tre » cua tre, cau tren, cau treo

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