Perhaps you should try some spelling variations:
nang son » nang song, nang soan, lang son
ban anh » ban hanh, ban banh, ban danh
duc ban » duc tan, duc van, dua ban
sach ky » sac ky, sach y, sach kem
cua tre » cua te, cuu tre, cua triet
son hai » cong hai
sach ty » sach y, sach tu, sach thu
va cao » va cac, va co, va dao
anh di » danh di, xanh di, anh d
di cua » dai cua, doi cua, de cua
va cam » va cham, va cac, va cai

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

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