Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
dua tren » dung tren
te sach » toc sach
duc ban » duc tan, duc van, dua ban
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
cuu tre » cua tre, cau tren, cau treo

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 y ((nang ma) or (sang ma)) hoi. hieu ve pham duc ban thanh lai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang ma) OR (sang ma)) hoi. hieu ve pham duc ban thanh lai ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang ma) or (sang ma)) hoi. hieu ve pham duc ban thanh lai ((dua tren) or (cuu tre))*.