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