Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tinh » thanh binh, nhanh tinh, than kinh
chat thanh » chot thanh, thuat thanh, pham thanh
phat thanh » pham thanh, phan thanh, phat hanh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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