Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
su sach » so sach, vu sach
sach lo » sach dao, sach doi, sach hoi
lo nang » ho nang, ly nang, loai nang
nang xa » nang x, lang xa, nang ma
xuc ban » cuc ban, quoc ban, xuat ban
cuu ban » cuu van, cua ban, cuu san
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach lo nang xa hoi. lieu va cac ((((xuc ban) or (cuu ban))) or (duc ban)) thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach lo nang xa hoi. lieu va cac ((((xuc ban) OR (cuu ban))) OR (duc ban)) thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach lo nang xa hoi. lieu va cac ((((xuc ban) or (cuu ban))) or (duc ban)) thanh dai cua tre*.