Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach phat » sach nha, sach tham, cach pha
thanh le » thinh le, thanh ve, thanh de
sach phu » sach thu, sach thue, sach phap
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
tuc ban » thuc ban, truc ban, tu ban
va cam » va cac, va cao, va cai
le cua » ly cua

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 phu) OR (sach phat)) lang xa hoi. hieu ((va cam) or (va cham)) tuc ban thanh le cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach phu) OR (sach phat)) lang xa hoi. hieu ((va cam) OR (va cham)) tuc ban thanh le cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach phu) OR (sach phat)) lang xa hoi. hieu ((va cam) or (va cham)) tuc ban thanh le cua vat".
• Adding a wildcard symbol may retrieve word variants: thu ((sach phu) OR (sach phat)) lang xa hoi. hieu ((va cam) or (va cham)) tuc ban thanh le cua vat*.