Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((thanh tung) OR (thanh cong)) cua nhung cong van than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((thanh tung) OR (thanh cong)) cua nhung cong van than cap*".