Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
sach ky » sac ky, sach y, sach kem
lai cua » dai cua, hai cua, lai chau
luc va » duc va, tuc va
loc va » hoc va
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: toc ((sach ky) or (sach ty)) nang x hoi. lieu va cham ((luc va) OR (loc va)) hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach ty)) nang x hoi. lieu va cham ((luc va) OR (loc va)) hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ky) or (sach ty)) nang x hoi. lieu va cham ((luc va) OR (loc va)) hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) or (sach ty)) nang x hoi. lieu va cham ((luc va) OR (loc va)) hanh lai cua triet*.