Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, nhanh thanh
anh thanh » danh thanh, nhanh thanh, thanh thanh
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh
qua cong » cua cong, qua song, va cong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((canh thanh) OR (anh thanh)) qua cong ((cong toan) or (cong tuan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((canh thanh) OR (anh thanh)) qua cong ((cong toan) OR (cong tuan)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((canh thanh) OR (anh thanh)) qua cong ((cong toan) or (cong tuan)) van ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((canh thanh) OR (anh thanh)) qua cong ((cong toan) or (cong tuan)) van ban*.