Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
x hoi » x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((((x hoi) OR (o hoi))) or (xa hoi)). hieu va nhan luc va hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((((x hoi) OR (o hoi))) OR (xa hoi)). hieu va nhan luc va hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((((x hoi) OR (o hoi))) or (xa hoi)). hieu va nhan luc va hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((((x hoi) OR (o hoi))) or (xa hoi)). hieu va nhan luc va hanh lai cua triet*.