Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » thuat sach, thuoc sach, thu hoach
hanh tri » thanh tri, hanh tai, hanh trinh
tu sach » su sach, te sach, tu cach
hieu va » lieu va, hieu qua
va cham » va chat, va tham
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
xuc va » tuc va, luc va, xac va
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: ((tu sach) OR (thu sach)) y nang o hoi. hieu va cham ((xuc va) OR (duc va)) hanh tri cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y nang o hoi. hieu va cham ((xuc va) or (duc va)) hanh tri cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) y nang o hoi. hieu va cham ((xuc va) or (duc va)) hanh tri cua triet*.