Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, hanh va
hanh lai » hanh tai, thanh lap, thanh loi
lang van » dang van, tang van, hoang van
su sach » so sach, vu sach
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
sach tu » sach thu, cach tu, sach ty
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet

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: su sach tu ((lang xa) OR (lang van)) hoi. hieu ve pham duc va ((hanh lai) OR (hanh lam)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tu ((lang xa) OR (lang van)) hoi. hieu ve pham duc va ((hanh lai) or (hanh lam)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach tu ((lang xa) OR (lang van)) hoi. hieu ve pham duc va ((hanh lai) or (hanh lam)) cua tre*.