Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
ty nang » ty xang, ty hang, ly nang
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho
va am » va lam, va cam

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: thu sach ((ty nang) OR (ky nang)) x hoi. hieu va am thuc va thanh di cua triet~.
• Adding a wildcard symbol may retrieve word variants: thu sach ((ty nang) or (ky nang)) x hoi. hieu va am thuc va thanh di cua triet*.