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
luc ban » duc ban, cuc ban, luc bat
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, mang may
sach v » sach va, sach y, sach 2
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 ma) OR (nang cao)) hoi. hieu ((va cac) or (va chat)) luc ban thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang ma) OR (nang cao)) hoi. hieu ((va cac) OR (va chat)) luc ban thanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v ((nang ma) OR (nang cao)) hoi. hieu ((va cac) or (va chat)) luc ban thanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang ma) OR (nang cao)) hoi. hieu ((va cac) or (va chat)) luc ban thanh di cua tre*.