Perhaps you should try some spelling variations:
chuong cong » cuong cong, chong cong, chuong dong
doi chieu » doc hieu, doi chi, mot chieu
va chuong » van chuong, va thuong, va phuong
ho chieu » theo chieu, hoc thieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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) OR (doi chieu)) sang - ((sach tranh) or (canh tranh)) va chuong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sang - ((sach tranh) OR (canh tranh)) va chuong cong dan than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sang - ((sach tranh) or (canh tranh)) va chuong cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sang - ((sach tranh) or (canh tranh)) va chuong cong dan than ban*.