Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh ca » thanh cha, thanh cac, thanh ha
dong hoa » dong hoc
chat xuc » chat huu, cam xuc, chao xu
hieu tu » chieu tu, hieu tuc, hien tu
xuc ban » duc ban, cuc ban, quoc ban
tu chat » tu phat, tu cham, du chat
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
cua tre » cua te, cuu tre, cua triet
ca cua » co cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (co sach)) ky ((dong hoa) or (dong co)) hoi. hieu tu chat xuc ban thanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ky ((dong hoa) OR (dong co)) hoi. hieu tu chat xuc ban thanh ca cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (co sach)) ky ((dong hoa) or (dong co)) hoi. hieu tu chat xuc ban thanh ca cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (co sach)) ky ((dong hoa) or (dong co)) hoi. hieu tu chat xuc ban thanh ca cua tre*.