Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
huong manh » hung manh, luong manh, phuong danh
duong manh » duong van
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
toan tap » toan 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 sach - ((hanh tranh) OR (canh tranh)) cua dong ((huong manh) or (duong manh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tranh) OR (canh tranh)) cua dong ((huong manh) OR (duong manh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tranh) OR (canh tranh)) cua dong ((huong manh) or (duong manh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tranh) OR (canh tranh)) cua dong ((huong manh) or (duong manh)) toan tap*.