Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
kthanh van » khanh van, thanh san, thanh va
hoc thieu » toc thieu, hoc hien
thanh van » thanh san, thanh toan, thanh phan
cua nhung » va nhung
hoang van » hang va
song van » trong van, duong van, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - ((thanh van) or (kthanh van)) cua nhung ((song van) OR (hoang van)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((thanh van) OR (kthanh van)) cua nhung ((song van) OR (hoang van)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((thanh van) or (kthanh van)) cua nhung ((song van) OR (hoang van)) phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((thanh van) or (kthanh van)) cua nhung ((song van) OR (hoang van)) phan tu*.