Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
chua tong » cua tong, thuat tong, chuc trong
chua dong » cua dong, ha dong, huy dong
van thang » van thanh, van khang, van hang
ho chieu » theo chieu, hoc thieu, doi chieu
van than » van thanh, van tuan, van phan

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