Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
minh trang » tinh trang, minh hoang, minh tuan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan cao » quang cao, quan cau, quan ao
va bang » va nang, va lang, va hang
va ban » van ban, va bai, va bao

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 - ((minh trang) or (canh tranh)) ((va bang) OR (va ban)) cong tan quan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((minh trang) OR (canh tranh)) ((va bang) OR (va ban)) cong tan quan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((minh trang) or (canh tranh)) ((va bang) OR (va ban)) cong tan quan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((minh trang) or (canh tranh)) ((va bang) OR (va ban)) cong tan quan cao*.