Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
gian dua » gian cua, gian thua, giang dia
cham xuc » cam xuc, chat xuc, cham soc
dang xay » dang van, van xay
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham

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 ky ((dang xay) or (nang x)) hoi. hieu ve cham xuc ban thanh ((gi dua) or (gian dua)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((dang xay) OR (nang x)) hoi. hieu ve cham xuc ban thanh ((gi dua) OR (gian dua)) tren.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((dang xay) or (nang x)) hoi. hieu ve cham xuc ban thanh ((gi dua) or (gian dua)) tren*.