Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
huong tran » huong dan, quang tran, chuong trinh
toc chieu » toc thieu, doc hieu, hoc thieu
hung tran » quang tran, hung thang, dung tren
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thanh ((hung tran) OR (huong tran)) trong cong san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - thanh ((hung tran) OR (huong tran)) trong cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - thanh ((hung tran) OR (huong tran)) trong cong san toan ban*.