Perhaps you should try some spelling variations:
phuong dong » phuong hoang, chuong duong, phuong dinh
phuong dung » thong dung, cuong dung, phuong hoang
theo chieu » theo tieu, theo chu, thi chieu
tranh luan » trinh luan, trinh luat, doanh luan
ho chieu » hoc thieu, doi chieu, mot chieu
van chat » cao chat
chat cao » chat co, chat cho, chat bao

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 (theo chieu)) sang - canh tranh luan ((phuong dong) OR (phuong dung)) van chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sang - canh tranh luan ((phuong dong) OR (phuong dung)) van chat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sang - canh tranh luan ((phuong dong) OR (phuong dung)) van chat cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sang - canh tranh luan ((phuong dong) OR (phuong dung)) van chat cao*.