Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
hieu va » lieu va, hieu qua
so hanh » so sanh, so danh, co hanh
lang xa » lang ha, dang xay, lang van
mang xa » mang may, dang xay, mang cua
hieu ve » hieu van
hanh y » hanh ky, anh y, hanh _
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: so hanh y ((mang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu va)) am thuc va hanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so hanh y ((mang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu va)) am thuc va hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: so hanh y ((mang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu va)) am thuc va hanh vi cua viet*.