Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua dong, cua nong, cua song
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap

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 tong) or (cua cong)) cong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tranh) OR (canh tranh)) ((cua tong) OR (cua cong)) cong dan chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tranh) OR (canh tranh)) ((cua tong) or (cua cong)) cong dan chan cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tranh) OR (canh tranh)) ((cua tong) or (cua cong)) cong dan chan cap*.