Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
so hanh » so sanh, so danh, co hanh
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
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 qua)) am thuc va hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so hanh y ((mang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu qua)) 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 qua)) am thuc va hanh vi cua viet*.