Perhaps you should try some spelling variations:
can thuc » dan thuc, van thuc, cay thuc
ve triet » va trien, su triet
te sach » toc sach
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu van
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
vi ve » va ve, gi ve, ve ve

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y sang ma hoi. ((hieu ve) OR (hieu va)) can thuc va danh vi ve triet~.
• Adding a wildcard symbol may retrieve word variants: te sach y sang ma hoi. ((hieu ve) or (hieu va)) can thuc va danh vi ve triet*.