Perhaps you should try some spelling variations:
thuoc vat » thuc vat, thuoc va, thuoc bat
nam thuoc » nam thuc, nam thu, nha thuoc
vat hanh » vat thanh, van hanh, va hanh
sach ky » sach y, sach ty, sach kem
kem cua » em cua, keo cua, diem cua
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
sang ma » tang ma, nang ma, sang tao
nang xa » nang x, lang xa, nang ma
ve nam » he nam, va nam, le nam
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sac ky)) ((nang xa) or (sang ma)) hoi. hieu ve nam thuoc vat hanh kem cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) ((nang xa) OR (sang ma)) hoi. hieu ve nam thuoc vat hanh kem cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) ((nang xa) or (sang ma)) hoi. hieu ve nam thuoc vat hanh kem cua tre*.