Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
luat duoc » luat tuc
hieu van » hieu va, thien van, hieu ve
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
sang ma » tang ma, nang ma, sang tao
lam xuc » cam xuc, lam duoc
cua tre » cua te, cuu tre, cua triet
y sang » _ sang, duy sang
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 sach y sang ma hoa. ((hieu van) OR (lieu va)) ((lam xuc) or (luat duoc)) ban thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang ma hoa. ((hieu van) OR (lieu va)) ((lam xuc) OR (luat duoc)) ban thanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y sang ma hoa. ((hieu van) OR (lieu va)) ((lam xuc) or (luat duoc)) ban thanh di cua tre*".