Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van dinh » van minh, van dich, va dinh
dinh le » dinh ve, dinh ly, dinh ket
cau luc » cau truc, cau phuc
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach tu ((lang xa) or (mang xa)) hoi. hieu ve ((cau luc) or (cam xuc)) van dinh le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tu ((lang xa) OR (mang xa)) hoi. hieu ve ((cau luc) OR (cam xuc)) van dinh le cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach tu ((lang xa) or (mang xa)) hoi. hieu ve ((cau luc) or (cam xuc)) van dinh le cua tre*.