Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh de » hanh de, thanh ve, thanh do
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
xuc van » duc van, luc van, vuc van
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
de cua » le cua, te cua, dieu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang ma hoa. hieu ((ve cam) OR (((va cam) OR (va cao)))) xuc van thanh de cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang ma hoa. hieu ((ve cam) or (((va cam) OR (va cao)))) xuc van thanh de cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang ma hoa. hieu ((ve cam) or (((va cam) OR (va cao)))) xuc van thanh de cua vat*.