Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
tai cuu » tai cuc, tai buu, tai cua
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
ty hanh » ty thanh, ly hanh, tu hanh
ve cac » va cac, vien cac
ve cai » va cai, ve tai, ve cau
va hoi » xa hoi, va hoc, va hoa

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 ty hanh va hoi. hieu ((ve cai) or (ve cac)) xuc ban thanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty hanh va hoi. hieu ((ve cai) OR (ve cac)) xuc ban thanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ty hanh va hoi. hieu ((ve cai) or (ve cac)) xuc ban thanh tai cuu tre*.