Perhaps you should try some spelling variations:
thien van » thi van
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
thanh ve » hanh ve, thanh va, thanh vien
tu sach » su sach, te sach, tu cach
xang xa » lang xa, mang xa, ang xa
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ty xang xa hoi. thien van nam cua ban thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty xang xa hoi. thien van nam cua ban thanh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty xang xa hoi. thien van nam cua ban thanh ve cua tre*.