Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thanh bang » thanh hang, thanh ban, thanh hoang
manh toan » thanh toan, anh tuan
bang cong » dang cong, bang song, hang cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan

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