Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » hanh trinh, minh trang, tinh trang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 trang) or (canh tranh))) or (thanh trung)) cua dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((hanh trang) OR (canh tranh))) OR (thanh trung)) cua dung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((((hanh trang) or (canh tranh))) or (thanh trung)) cua dung cong dan toan cao*.