Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
te sach » toc sach
hieu vu » hieu va, hieu ve, hieu su
vu nhan » cu nhan, vu ngan, tu nhan
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang o hoi. hieu vu nhan luc ((va danh) OR (va hanh)) dai cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang o hoi. hieu vu nhan luc ((va danh) OR (va hanh)) dai cua triet*.