Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cong thanh » dong thanh, cong trinh, cong tan
hanh mang » nhanh mang, hanh trang, nhanh lang
cong manh » cong danh, duong manh, hoang manh
toan tap » toan ban
mang va » mang vua, hang va, bang va

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) or (chieu xanh)) - hanh mang va nhung ((cong manh) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - hanh mang va nhung ((cong manh) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu xanh)) - hanh mang va nhung ((cong manh) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - hanh mang va nhung ((cong manh) OR (cong thanh)) toan tap*.