Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, va tinh, le thanh
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
sach tu » sach thu, cach tu, sach ty
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
tu nang » tru nang, tu nong, tu nano
ma hoi » mai hoi, xa hoi, ma hoa

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