Perhaps you should try some spelling variations:
sang tao » hang tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
xe danh » le danh, te danh, xe dan
he nam » nghe nam
dau su » dau tu, dan su, dat su
da su » dan su, dat su, va su

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 sang tao boi. hieu ((he nam) or (ha nam)) thu xe danh ((dau su) OR (da su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang tao boi. hieu ((he nam) OR (ha nam)) thu xe danh ((dau su) OR (da su)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang tao boi. hieu ((he nam) or (ha nam)) thu xe danh ((dau su) OR (da su)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang tao boi. hieu ((he nam) or (ha nam)) thu xe danh ((dau su) OR (da su)) triet*.