Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
van cam » van nam, van lam, van cau
tu sach » thu sach, su sach, tu cach
te sach » toc sach
v nang » va nang, vu nang, van nang
y nang » ky nang, ly nang, may nang
luc va » duc va, tuc va, loc va

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