Perhaps you should try some spelling variations:
lam thuc » lam thuoc, am thuc, nam thuc
hieu van » hieu va, thien van, lieu va
thuc va » thuc vat, thuc dan, thuc day
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
co sach » bo sach, cuon sach, hoc sach
sach ty » sach y, sach tu, sach thu
van lam » van nam
lang ha » long ha
ty lang » tay lang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ty lang ha hoi. hieu van lam thuc va ((danh vi) or (danh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ty lang ha hoi. hieu van lam thuc va ((danh vi) OR (danh di)) cua tre*.