Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lang dai » lang hai, lang mai, lang chai
tu sach » thu sach, su sach, te sach
doi cua » dai cua, hoi cua
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ve cam » ve cham, ve cac, va cam
di cua » dai cua, de cua, do cua

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 y ((lang dai) or (nang ma)) hoi. hieu ve cam xuc ban thanh ((di cua) OR (doi cua)) duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang dai) OR (nang ma)) hoi. hieu ve cam xuc ban thanh ((di cua) OR (doi cua)) duc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((lang dai) or (nang ma)) hoi. hieu ve cam xuc ban thanh ((di cua) OR (doi cua)) duc*".