Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
ky lang » ky dang, ky tang, tay lang
nam xuc » cam xuc, nam xua, nam thuc
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam, va nay
xuc va » duc va, tuc va, luc va
va ban » van ban, va bai, va bao
va cua » va chua, via cua, ca 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 ((ky lang) or (ky nang)) van hoa. lieu va nam xuc va ban va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ky lang) OR (ky nang)) van hoa. lieu va nam xuc va ban va cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ((ky lang) or (ky nang)) van hoa. lieu va nam xuc va ban va cua tre*.