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
hieu ve » hieu va, hieu van
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
xuc van » duc van, luc van, vuc van
mai hoi » mai khoi, dai hoi, lai hoi
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, va cam
ma hoi » xa hoi, ma hoa, me hoi

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) OR (ky tang)) ((ma hoi) OR (mai hoi)). hieu ve cam xuc van thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) or (ky tang)) ((ma hoi) OR (mai hoi)). hieu ve cam xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky tang)) ((ma hoi) OR (mai hoi)). hieu ve cam xuc van thanh di cua vat*.