Perhaps you should try some spelling variations:
thien van » thi van
cay thuoc » cua thuoc, nam thuoc, va thuoc
thuoc mai » thuoc ma, thuoc tai, thuoc moi
mai thanh » tai thanh, thi thanh, ban thanh
nang cau » nang cao, hang cau, bang cau
nang dau » hang dau, xang dau, nang du
thanh ca » thanh cha, thanh cac, thanh ha
so sach » so sanh, bo sach, co sach
van cay » van cau, van bay, van ca
cua tre » cua te, cuu tre, cua triet
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((nang cau) or (nang dau)) hoi. thien van cay thuoc mai thanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((nang cau) OR (nang dau)) hoi. thien van cay thuoc mai thanh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach y ((nang cau) or (nang dau)) hoi. thien van cay thuoc mai thanh ca cua tre*.