Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
thanh di » thanh doi, thanh de, thanh do
xuc van » duc van, luc van, vuc van
sach ky » sac ky, sach y, sach ty
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
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: thu sach ky ((nang ma) OR (tang ma)) hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky ((nang ma) or (tang ma)) hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((nang ma) or (tang ma)) hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat*.