Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
thanh ha » thanh hoa, thanh hai, nhanh ha
tu sach » su sach, te sach, tu cach
duc ban » duc tan, duc van, dua ban
va cam » va cham, va cac, va cao
ha cua » hoa cua, hai cua, nha cua
cua te » cua tu
ve cai » va cai, ve cac, ve tai
xang x » nang x
y xang » ty xang

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) or (thu sach)) y xang x ho. hieu ((ve cai) or (va cam)) duc ban thanh ha cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y xang x ho. hieu ((ve cai) OR (va cam)) duc ban thanh ha cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y xang x ho. hieu ((ve cai) or (va cam)) duc ban thanh ha cua te*.