Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh doi » thanh loi, thanh moi, thanh do
te sach » toc sach
cua tre » cua te, cua triet, dua tren
loc ban » lo ban, hoc ban, coc ban
cuu tre » cau tren, cau treo
tang ma » mang may, tang van
sach v » sach va, sach y, sach 2
va cam » va cham, va cac, va cai
ma hoi » mai hoi, xa hoi, ma hoa
v tang » 6 tang, 7 tang, 5 tang
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach v tang ma hoi. hieu ((va cam) or (va cao)) loc ban thanh doi ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v tang ma hoi. hieu ((va cam) OR (va cao)) loc ban thanh doi ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v tang ma hoi. hieu ((va cam) or (va cao)) loc ban thanh doi ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach v tang ma hoi. hieu ((va cam) or (va cao)) loc ban thanh doi ((cua tre) OR (cuu tre))*.