Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
lam thuoc » nam thuoc, am thuc, cay thuoc
hieu van » hieu va, thien van, lieu va
gian cua » gian xu, ban cua
thuoc va » thuc va, thuoc ma, thuong va
lang van » dang van, tang van, hoang van
sach thu » sach thue, sach thieu, sach tham
van hoi » van hoa, van hoc, van hoe
sach tu » cach tu, sach ty, sach uu
van lam » van nam
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach tu) or (sach thu)) lang van hoi. hieu van lam thuoc va hanh gian cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach tu) OR (sach thu)) lang van hoi. hieu van lam thuoc va hanh gian cua tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach tu) or (sach thu)) lang van hoi. hieu van lam thuoc va hanh gian cua tre*.