Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
tu sach » thu sach, su sach, te sach
sang ma » tang ma, nang ma, sang tao
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
ve su » va su

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) _ sang ma hoi. hieu ve cac xuc ban thanh ((ve su) OR (ky su)) triet~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) _ sang ma hoi. hieu ve cac xuc ban thanh ((ve su) or (ky su)) triet*.