Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
bo sach » co sach, hoc sach
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
va tham » van tham, va cham, va thanh
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua ban
de cua » le cua, te cua, dieu cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ((ky lang) or (ky dang)) xa hoi. lieu va tham ((xuc ban) or (duc ban)) thanh de cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ((ky lang) OR (ky dang)) xa hoi. lieu va tham ((xuc ban) OR (duc ban)) thanh de cua tu.
• Adding a wildcard symbol may retrieve word variants: bo sach ((ky lang) or (ky dang)) xa hoi. lieu va tham ((xuc ban) or (duc ban)) thanh de cua tu*.