Perhaps you should try some spelling variations:
thuoc van » thuoc va, thuc van, thuoc ban
nam thuoc » nam thuc, nam thu, nha thuoc
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
hanh hai » thanh hai, nhanh hai, hang hai
hieu le » hieu ve, hieu he, hieu ly
hai cuu » hai cua, hai chu, hai cuc
cuu tre » cua tre, cau tren, cau treo
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
le nam » ly nam, he nam, le na

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang x) or (dang xay)) hoi. hieu le nam thuoc van hanh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang x) OR (dang xay)) hoi. hieu le nam thuoc van hanh hai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang x) or (dang xay)) hoi. hieu le nam thuoc van hanh hai cuu tre*.