Perhaps you should try some spelling variations:
ban nhanh » ban hanh, ban thanh, nhan nhanh
su triet » su viet, su tien, ve triet
ban nhan » ban than, van nhan, ban thanh
ve chat » va chat, van chat
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ve cham » va cham, vu cham, ve chim
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
ma hoi » mai hoi, xa hoi, ma hoa
hoa su » hoa lu, hoa si, hoa du

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky tang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((ban nhanh) OR (ban nhan)) hoa su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky tang ma hoi. hieu ((ve cham) OR (ve chat)) tuc ((ban nhanh) OR (ban nhan)) hoa su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky tang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((ban nhanh) OR (ban nhan)) hoa su triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky tang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((ban nhanh) OR (ban nhan)) hoa su triet*.