Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, 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
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van
ve cam » ve cham, ve cac, ve cai
va cam » va cac, va cao, va cai
di cua » dai cua, doi cua, de 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 cham)))) xuc van thanh di 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 cham)))) xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang ma hoa. hieu ((ve cam) or (((va cam) OR (va cham)))) xuc van thanh di cua vat*.