Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
than nhung » tham nhung, thai nhung, thong nhung
nhung cong » dung cong, thong cong, hang cong
hanh tam » thanh tam, nhanh tam, hanh tram
tam than » ban than
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chiet tach)) - hanh tam than nhung cong ((dan toan) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - hanh tam than nhung cong ((dan toan) OR (dan than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - hanh tam than nhung cong ((dan toan) or (dan than)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - hanh tam than nhung cong ((dan toan) or (dan than)) ban*.