Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
phan lap » phan dau
te sach » toc sach
duc ban » duc tan, duc van, dua ban
ve pham » vi pham, v pham, ve phan
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, mang may
cua tre » cua te, cuu tre, cua triet

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