Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dai » thanh hai, thanh tai, thanh dat
thu sach » tu sach, thuat sach, thuoc sach
lang xa » lang ha, dang xay, lang van
vu cham » va cham, vu kham, tu cham
tuc ban » thuc ban, truc ban, tu ban
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y lang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y lang xa hoi. hieu ((vu cham) OR (cao chat)) tuc ban thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y lang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban thanh dai cua tre*.