Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
ho chiet » ho chieu, ho thiet, hoc thiet
tranh va » tranh van, trang va, trinh va
cong san » cong tac
than sao » than so, than vao, than giao
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 - canh tranh va nhung cong san ((than sao) or (((than cap) or (thanh san))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh va nhung cong san ((than sao) OR (((than cap) OR (thanh san)))).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh va nhung cong san ((than sao) or (((than cap) or (thanh san))))*.