Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
tap toan » tap doan, bai toan
tap quan » tac quan, hai quan

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 cua dong cong ((tap toan) OR (tap quan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tranh cua dong cong ((tap toan) OR (tap quan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tranh cua dong cong ((tap toan) OR (tap quan)) ban*.