Perhaps you should try some spelling variations:
viec bach » viec ban, viec bao, viet sach
ban thanh » ban hanh, ban hang
thanh va » thanh van, hanh va, thanh ha
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky dang xa hoi. hieu ((viec bach) or (vien bach)) xuc ban thanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. hieu ((viec bach) OR (vien bach)) xuc ban thanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. hieu ((viec bach) or (vien bach)) xuc ban thanh va cuu tre*.