Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
te sach » toc sach
hai cuu » hai cua, hai chu, hai cuc
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
cac vu » cac du, cac vi, cac nu
cac tu » cac thu, cach tu, cac du

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: te sach y ((nang ma) OR (tang ma)) hoi. hieu ve ((cac vu) OR (cac tu)) gia thanh hai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang ma) OR (tang ma)) hoi. hieu ve ((cac vu) or (cac tu)) gia thanh hai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang ma) OR (tang ma)) hoi. hieu ve ((cac vu) or (cac tu)) gia thanh hai cuu tre*.