Perhaps you should try some spelling variations:
ban thanh » ban hanh
thu sach » tu sach, thuat sach, thuoc sach
ban hang » ngan hang
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
ly cua » le 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 ty xang xa hoi. hieu ((ve cam) or (ve cham)) tuc ((ban thanh) OR (ban hang)) ly cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty xang xa hoi. hieu ((ve cam) OR (ve cham)) tuc ((ban thanh) OR (ban hang)) ly cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty xang xa hoi. hieu ((ve cam) or (ve cham)) tuc ((ban thanh) OR (ban hang)) ly cua vat*".