Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
hanh lai » hanh lam, hanh tai, thanh lap
ban hanh » ban hang
cham duc » pham duc, cham soc, pham duy
van cham » van chat, van tham, va cham
lai cua » dai cua, hai cua, lai chau
duc ban » duc tan, duc van, dua ban
su sach » vu sach
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
so sach » so sanh, bo sach, co sach
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) ((ty nang) OR (ty hang)) x hoi. thien van cham duc ban hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ((ty nang) OR (ty hang)) x hoi. thien van cham duc ban hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ((ty nang) OR (ty hang)) x hoi. thien van cham duc ban hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ((ty nang) OR (ty hang)) x hoi. thien van cham duc ban hanh lai cua triet*.