Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cac thuc » cach thuc, cac thu, can thuc
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
van cac » van hac, van cau, van bac
so sach » so sanh, bo sach, co sach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de 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 xa) or (lang xa))) or (nang cao)) hoi. hieu van cac thuc va danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((((nang xa) OR (lang xa))) OR (nang cao)) hoi. hieu van cac thuc va danh di cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach y ((((nang xa) or (lang xa))) or (nang cao)) hoi. hieu van cac thuc va danh di cua tre*.