Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
danh xay » dang xay, manh xay, anh xay
xay phoi » cay phoi, cap phoi, tay hoi
than cua » nhan cua, thai cua, ban cua
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky danh » ky anh, ky dang
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
ve cam » ve cham, ve cac, va cam

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 ky danh xay phoi. hieu ve cam duc ban thanh ((tri cua) or (than cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky danh xay phoi. hieu ve cam duc ban thanh ((tri cua) OR (than cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky danh xay phoi. hieu ve cam duc ban thanh ((tri cua) or (than cua)) tre*.