Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - thanh tung cua nhung cong ((san toan) OR (dan toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh tung cua nhung cong ((san toan) OR (dan toan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh tung cua nhung cong ((san toan) OR (dan toan)) cao*.