Perhaps you should try some spelling variations:
thien van » thi van
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
banh vi » ban vi, benh vi, banh chi
cuc ban » cua ban, cac ban, cuu ban
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, quoc ban, xuat ban
van lam » van nam
xang xa » lang xa, mang xa, ang xa

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 ty xang xa hoi. thien van lam ((xuc ban) or (cuc ban)) ((banh vi) OR (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. thien van lam ((xuc ban) OR (cuc ban)) ((banh vi) OR (hanh vi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. thien van lam ((xuc ban) or (cuc ban)) ((banh vi) OR (hanh vi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. thien van lam ((xuc ban) or (cuc ban)) ((banh vi) OR (hanh vi)) cua tre*.