Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
luat duoc » luat tuc
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
thanh di » thanh doi, thanh de, thanh do
cua tre » cua te, cuu tre, dua tren
tu sach » thu sach, su sach, te sach
lam xuc » cam xuc, lam duoc
sang ma » tang ma, nang ma, sang tao
y sang » _ sang, duy sang

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 ((lam xuc) or (luat duoc)) ban thanh di ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang ma hoa. hieu van ((lam xuc) OR (luat duoc)) ban thanh di ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y sang ma hoa. hieu van ((lam xuc) or (luat duoc)) ban thanh di ((cua tre) OR (cua triet))*".