Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nang van » dang van, lang van, nong van
tang van » dang van, hoang van, trong van
hieu van » hieu va, thien van, lieu va
xuc ban » duc ban, cuc ban, quoc ban
su sach » so sach, vu sach
nam xuc » cam xuc, nam xua, nam thuc
vai va » mai va, dai va, hai va
vi va » vi van, vu va, bi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((nang van) or (tang van)) hoi. hieu van nam xuc ban thanh ((vi va) OR (vai va)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang van) OR (tang van)) hoi. hieu van nam xuc ban thanh ((vi va) OR (vai va)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((nang van) or (tang van)) hoi. hieu van nam xuc ban thanh ((vi va) OR (vai va)) triet*".