Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
sach ky » sach y, sach ty, sach kem
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa
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: tu ((sach ky) OR (sac ky)) nang x hoi. hieu ((vu cham) or (va phat)) tuc va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang x hoi. hieu ((vu cham) OR (va phat)) tuc va hanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) nang x hoi. hieu ((vu cham) or (va phat)) tuc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sac ky)) nang x hoi. hieu ((vu cham) or (va phat)) tuc va hanh dai cua triet*.