Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
xuan nhung » quan nhung, xuan chung, xuan hung
hanh tram » hanh tam, hanh trang, thanh tran
tram xuan » tran xuan, tran tuan, pham xuan
cong dan » cong san, cong tan, cong dong

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 - hanh tram xuan nhung ((cong dan) or (huong dan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tram xuan nhung ((cong dan) OR (huong dan)) van ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tram xuan nhung ((cong dan) or (huong dan)) van ban*.