Perhaps you should try some spelling variations:
chung vuong » hung vuong, chuong duong, chung thong
theo chieu » theo tieu, theo chu, thi chieu
tranh luan » trinh luan, trinh luat, doanh luan
hong vuong » hoang vuong, hung vuong, duong vuong
ho chieu » hoc thieu, doi chieu, mot chieu
van toan » van tuan, van tan, van thanh
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: ((theo chieu) OR (ho chieu)) sach - canh tranh luan ((chung vuong) or (hong vuong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - canh tranh luan ((chung vuong) OR (hong vuong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - canh tranh luan ((chung vuong) or (hong vuong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - canh tranh luan ((chung vuong) or (hong vuong)) van toan ban*.