Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
y sang » duy sang
le dan » ke dan
_ sang » _ san
vi cuu » vi luu, vinh cuu
le dat » de dat, le dac, ve dat

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: so sach ((y sang) OR (_ sang)) ma hoi. hieu ((le dat) OR (le dan)) nuoc va thanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((y sang) OR (_ sang)) ma hoi. hieu ((le dat) or (le dan)) nuoc va thanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: so sach ((y sang) OR (_ sang)) ma hoi. hieu ((le dat) or (le dan)) nuoc va thanh vi cuu tre*.