Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cau treo » cau theo, cau tren, cau triet
lang xa » lang ha, dang xay, lang van
thuc va » thuc vat, thuc dan, thuc day
van vat » van chat, nhan vat
vat cau » dat cau, va cau, van cau
y lang » o lang, _ lang, tay lang
va nam » van nam, va nay

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 y lang xa hoi. hieu ((va nam) or (ha nam)) thuc va van vat cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y lang xa hoi. hieu ((va nam) OR (ha nam)) thuc va van vat cau treo.
• Adding a wildcard symbol may retrieve word variants: toc sach y lang xa hoi. hieu ((va nam) or (ha nam)) thuc va van vat cau treo*.