Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
ho chieu » theo chieu, hoc thieu, mot chieu
cua dang » cua cong, cua ban
toan ban » van ban

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