Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
tuc ban » thuc ban, truc ban, tu ban
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va cao » va cac, va co, va 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: so sach ty nang x hoi. hieu va cao tuc ban thanh hai cua tre~.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang x hoi. hieu va cao tuc ban thanh hai cua tre*.