Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
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) OR (thu sach)) ((ky sang) OR (ky tang)) ma 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) OR (thu sach)) ((ky sang) or (ky tang)) ma hoi. hieu ve cam xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ((ky sang) or (ky tang)) ma hoi. hieu ve cam xuc van thanh di cua vat*.