Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van dinh » van minh, van dich, va dinh
cau phuc » cau truc, chau phu, huu phuc
sach tu » sach thu, cach tu, sach ty
dinh ve » dinh ket, dinh van
cua tre » cua te, cuu tre, cua triet
cau luc » cau truc
hieu ve » hieu va, hieu van
xang xa » lang xa, mang xa, ang xa
tu xang » ty xang, tu lang, tu quang
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: toc sach tu xang xa hoi. hieu ve ((((cau luc) or (cau phuc))) or (cam xuc)) van dinh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tu xang xa hoi. hieu ve ((((cau luc) OR (cau phuc))) OR (cam xuc)) van dinh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach tu xang xa hoi. hieu ve ((((cau luc) or (cau phuc))) or (cam xuc)) van dinh ve cua tre*.