Perhaps you should try some spelling variations:
hoang van » hang va
ban thanh » ban hanh, ban hang
tang van » dang van, trong van, tang luan
hieu van » hieu va, thien van, lieu va
nam duoc » nam thuoc, da duoc, dat duoc
duoc ban » duc ban, quoc ban, buoc ban
thanh va » thanh van, hanh va, thanh ha
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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 ((tang van) or (hoang van)) hoe. hieu van nam duoc ban thanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((tang van) OR (hoang van)) hoe. hieu van nam duoc ban thanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((tang van) or (hoang van)) hoe. hieu van nam duoc ban thanh va cuu tre*.