Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
tinh cua » trinh cua, sinh cua, tinh chat
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chinh sach) or (chieu sach)) - hanh tinh cua ((bang cong) OR (dang cong)) dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chieu sach)) - hanh tinh cua ((bang cong) OR (dang cong)) dan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chinh sach) or (chieu sach)) - hanh tinh cua ((bang cong) OR (dang cong)) dan can cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chieu sach)) - hanh tinh cua ((bang cong) OR (dang cong)) dan can cau*.