Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
dung tren » dung trong, dung trung
toc sach » hoc sach, doc sach, thuoc sach
hieu vi » hieu voi, hieu va, hieu ve
duc ban » duc tan, duc van, dua ban
sach ty » sach y, sach tu, sach thu
tang ma » mang may, tang van
ty tang » tay tang, ty xang, ty hang
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty tang ma hoi. hieu vi pham duc ban thanh lai ((dung tren) or (((cuu tre) or (cua tre))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty tang ma hoi. hieu vi pham duc ban thanh lai ((dung tren) OR (((cuu tre) OR (cua tre)))).
• Adding a wildcard symbol may retrieve word variants: toc sach ty tang ma hoi. hieu vi pham duc ban thanh lai ((dung tren) or (((cuu tre) or (cua tre))))*.