Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
van chat » cao chat
dau tien » van tien
thanh ve » hanh ve, thanh va, thanh vien
tang van » dang van, hoang van, trong van
ve chat » va chat
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
ky tang » ky nang, ky dang, kho tang
cu tren » tu tren, dua tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky tang van hoa. hieu ((ve chat) or (van chat)) xuc ban thanh ve ((dau tien) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky tang van hoa. hieu ((ve chat) OR (van chat)) xuc ban thanh ve ((dau tien) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ky tang van hoa. hieu ((ve chat) or (van chat)) xuc ban thanh ve ((dau tien) or (cu tren))*.