Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
lai cuoc » tai cuc, va cuoc, ca cuoc
lang van » dang van, tang van, hoang van
cam qua » cau qua, cac qua, cay qua
lai cua » dai cua, hai cua, lai chau
qua ban » cua ban, qua quan
qua cam » qua cham, qua cac, qua ca
lang xa » lang ha, dang xay
sach o » sach lo, sac o, sach y

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