Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, dua tren
lam xuc » cam xuc, lam duoc
sach ky » sac ky, sach y, sach ty
vu sach » vu bach, su sach, vu khach
tang xa » trang xa, lang xa, tang ha
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va

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: vu sach ky ((tang xa) OR (tang ma)) hoi. hieu va lam xuc va thanh dai ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky ((tang xa) or (tang ma)) hoi. hieu va lam xuc va thanh dai ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((tang xa) or (tang ma)) hoi. hieu va lam xuc va thanh dai ((cua tre) OR (cua triet))*.