Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
ve ban » te ban, va ban, ve bao
ban bo » can bo, ban do, ban co
bo van » vo van, so van, do van
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: ((te sach) OR (toc sach)) y nang x hoi. hieu ve ban bo van hanh vai cua triet~.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y nang x hoi. hieu ve ban bo van hanh vai cua triet*.