Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
mang xa » lang xa, mang may, dang xay
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tuc » cua duc, cua tu, cua thuoc
ang xa » lang xa, dang xay, hoang xa
va nam » van nam, ha nam, va nay
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((mang xa) or (ang xa)) hoi. lieu va nam thuc va danh vi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((mang xa) OR (ang xa)) hoi. lieu va nam thuc va danh vi cua tuc.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((mang xa) or (ang xa)) hoi. lieu va nam thuc va danh vi cua tuc*.