Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh di » thanh doi, thanh de, thanh do
te sach » toc sach
duc ban » duc tan, duc van, dua ban
va cham » va chat, va tham
va nang » van nang, da nang, cam nang
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cac, va cao, va cai
v nang » vu nang, van nang, voi nang
di cua » dai cua, doi cua, de cua

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 nang) OR (va nang)) ma hoi. hieu ((va cam) or (va cham)) duc ban thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (va nang)) ma hoi. hieu ((va cam) OR (va cham)) duc ban thanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((v nang) OR (va nang)) ma hoi. hieu ((va cam) or (va cham)) duc ban thanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) OR (va nang)) ma hoi. hieu ((va cam) or (va cham)) duc ban thanh di cua tre*.