Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
ban hanh » ban hang
tham duc » pham duc, than duc, thach duc
tham du » thap du, tham do, pham duc
lai cua » dai cua, hai cua, lai chau
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
o hoi » co hoi, o hoc, o hai

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: su sach y nang ((xa hoi) OR (o hoi)). lieu va ((tham duc) OR (tham du)) ban hanh lai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ((xa hoi) or (o hoi)). lieu va ((tham duc) OR (tham du)) ban hanh lai cua triet~".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((xa hoi) or (o hoi)). lieu va ((tham duc) OR (tham du)) ban hanh lai cua triet*.