Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
lang van » dang van, tang van, hoang van
tu sach » thu sach, su sach, te sach
tuc ban » thuc ban, truc ban, tu ban
sach ky » sac ky, sach y, sach ty
lang ha » long ha
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai

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 ((lang van) or (lang ha)) hoi. hieu ((va cam) or (va cac)) tuc ban thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang van) OR (lang ha)) hoi. hieu ((va cam) OR (va cac)) tuc ban thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang van) or (lang ha)) hoi. hieu ((va cam) or (va cac)) tuc ban thanh dai cua tre*.