Perhaps you should try some spelling variations:
hoang van » hang va
thanh va » thanh van, hanh va, thanh ha
tang van » dang van, trong van, tang luan
te sach » toc sach
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua ban
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
va cuu » va cau, va chu, va huu
va nam » van nam, ha nam, va nay

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. lieu va nam ((xuc ban) OR (duc 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. lieu va nam ((xuc ban) OR (duc ban)) thanh va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((tang van) or (hoang van)) hoe. lieu va nam ((xuc ban) OR (duc ban)) thanh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((tang van) or (hoang van)) hoe. lieu va nam ((xuc ban) OR (duc ban)) thanh va cuu tre*.