Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thien van » thi van
thanh tai » thanh hai, thanh toan, doanh tai
thanh cuu » thanh luu, thanh chu, thanh tuu
hanh tai » hang tai, han tai, hinh tai
tu sach » thu sach, su sach, te sach
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
cuu va » cuu van, cuu ve

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 v ((nang ma) OR (tang ma)) hoi. thien van thanh cuu va ((hanh tai) OR (thanh tai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v ((nang ma) or (tang ma)) hoi. thien van thanh cuu va ((hanh tai) OR (thanh tai)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach v ((nang ma) or (tang ma)) hoi. thien van thanh cuu va ((hanh tai) OR (thanh tai)) cua tre*.