Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
ty nang » ky nang, ty hang, ly nang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
de cua » le cua, te cua, dieu cua

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: thu sach ((ty nang) OR (ty xang)) xa hoi. hieu vu cham duc va hanh de cua triet~.
• Adding a wildcard symbol may retrieve word variants: thu sach ((ty nang) or (ty xang)) xa hoi. hieu vu cham duc va hanh de cua triet*.