Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tung khoa » tuong khoa, trung khoa, dung khoa
khoa dung » hoc dung, khoa cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tai
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 - thanh tung khoa dung cong san ((((than cau) or (toan cau))) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung khoa dung cong san ((((than cau) OR (toan cau))) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung khoa dung cong san ((((than cau) or (toan cau))) or (toan tap))*.