Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
vu cham » va cham, vu kham, tu cham
tuc ban » thuc ban, truc ban, tu ban
sac ky » cac ky, sai ky

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 xa hoi. hieu ((vu cham) or (cao chat)) tuc ban thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ((vu cham) OR (cao chat)) tuc ban thanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban thanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban thanh dai cua triet*.