Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lam duoc » nam duoc, luat duoc, lam thuoc
va thanh » gia thanh, ban thanh, va tinh
thanh co » thanh do, thanh ca, thanh ho
so sach » so sanh, bo sach, co sach
cao hoi » cau hoi, co hoi, cao hoc
duoc va » nuoc va, duc va, duoc ma
cua tre » cua te, dua tren, cua thep
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang
va lam » van lam, va lap

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: so sach y nang cao hoi. lieu va lam duoc va thanh co ((((cua tre) OR (cua triet))) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang cao hoi. lieu va lam duoc va thanh co ((((cua tre) OR (cua triet))) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: so sach y nang cao hoi. lieu va lam duoc va thanh co ((((cua tre) OR (cua triet))) or (cuu tre))*.