Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thanh di » thanh doi, thanh de, thanh do
pham dua » pham duy, pham cua, pham dia
tu cach » tu cac
hieu ve » hieu va, hieu van
te sach » toc sach
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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: ((tu cach) OR (te sach)) ky nang x hoi. hieu ve ((pham dua) OR (pham duc)) ban thanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (te sach)) ky nang x hoi. hieu ve ((pham dua) OR (pham duc)) ban thanh di cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang x hoi. hieu ve ((pham dua) OR (pham duc)) ban thanh di cua triet*.