Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
toc sach » hoc sach, doc sach, thuoc sach
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
ky sang » ky nang, ky dang, ky tang
sang xa » song xa, lang xa, sang ma
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
ve cac » va cac, vien cac
van su » dan 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) or (toc sach)) ky sang xa hoi. hieu ve cac xuc ban thanh van su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky sang xa hoi. hieu ve cac xuc ban thanh van su triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ky sang xa hoi. hieu ve cac xuc ban thanh van su triet*.