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

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) OR (pham duc)) ban nhanh ((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) OR (pham duc)) ban nhanh ((tri cua) OR (than cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky danh xay phoi. hieu ve ((cam duc) OR (pham duc)) ban nhanh ((tri cua) or (than cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky danh xay phoi. hieu ve ((cam duc) OR (pham duc)) ban nhanh ((tri cua) or (than cua)) tre*.