Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sang tao » hang tai
thanh de » hanh de, thanh ve, thanh do
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
sang ma » tang ma, nang ma, mang may
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
luc van » luoc van, luu van, duc van
ve cac » va cac, vien cac
de cua » le cua, te cua, dieu 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) OR (sang tao)) hoi. hieu ve cac luc van thanh de cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang ma) or (sang tao)) hoi. hieu ve cac luc van thanh de cua vat*.