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 ty » sach y, sach tu, sach thu
dinh ve » dinh ket, dinh van
chu tre » cho tre, chu tri, cuu tre
cau luc » cau truc
hieu va » lieu va, hieu qua
xang xa » lang xa, mang xa, ang xa
ve chu » ve cau, va chu, ve che

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 ty xang xa hoi. hieu va ((((cau luc) or (cau phuc))) or (cam xuc)) van dinh ve chu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty xang xa hoi. hieu va ((((cau luc) OR (cau phuc))) OR (cam xuc)) van dinh ve chu tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ty xang xa hoi. hieu va ((((cau luc) or (cau phuc))) or (cam xuc)) van dinh ve chu tre*.