Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van chat » cao chat
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, cam xuc, chao xu
van nang » van quang, van ban, van dong
vu nang » vuc nang, va nang, vu dang
vat cua » mat cua, bat cua, dat cua
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dau, va dap
va dao » ca dao
x hoi » xa hoi, o hoi, x ho

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 ((vu nang) or (van nang)) x hoi. hieu van chat xuc ((va dan) or (va dao)) vat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((vu nang) OR (van nang)) x hoi. hieu van chat xuc ((va dan) OR (va dao)) vat cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ((vu nang) or (van nang)) x hoi. hieu van chat xuc ((va dan) or (va dao)) vat cua tre*.