Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh qua » trinh quan, trinh quang, trinh luat
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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 - hanh ((trinh qua) OR (trinh cua)) dang cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trinh qua) OR (trinh cua)) dang cong san than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh qua) OR (trinh cua)) dang cong san than cau*.