Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
lam thuc » lam thuoc, am thuc, nam thuc
thang va » hang va, trang va, thong va
tang va » trang va, tang van, tang vat
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
tu cach » tu cac
va lam » van lam, va lap
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: ((tu cach) or (su sach)) de ((tang va) OR (thang va)) hoa. lieu va lam thuc va hanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) de ((tang va) OR (thang va)) hoa. lieu va lam thuc va hanh di cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) de ((tang va) OR (thang va)) hoa. lieu va lam thuc va hanh di cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) de ((tang va) OR (thang va)) hoa. lieu va lam thuc va hanh di cua viet*.