Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh van
thanh hai » thanh phan, thanh hoa, thanh san
te sach » toc sach
ve pham » vi pham, v pham, ve phan
duc ban » duc tan, duc van, dua ban
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
sang ma » nang ma, sang tao, 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 ((sang ma) or (tang ma)) hoi. hieu ve pham duc ban ((thanh hai) or (thanh lap)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((sang ma) OR (tang ma)) hoi. hieu ve pham duc ban ((thanh hai) OR (thanh lap)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((sang ma) or (tang ma)) hoi. hieu ve pham duc ban ((thanh hai) or (thanh lap)) cua tre*.