Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
cham loc » cham soc, chon loc, hau loc
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, te sach, tu cach
y nang » ky nang, ly nang, v nang
cham o » cham soc

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 (su sach)) y nang xa hoi. hieu ve ((cham loc) OR (cham o)) va hanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) y nang xa hoi. hieu ve ((cham loc) OR (cham o)) va hanh vai cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) y nang xa hoi. hieu ve ((cham loc) OR (cham o)) va hanh vai cua triet*.