Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, hanh trinh, minh trang
tong huong » thong huong, tong thuong, cong huong
cua tong » cua cong, cua dong, cua nong
dan van » dang van, doan van, dao van

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