Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tinh » thanh binh, than kinh, hanh trinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, canh tinh, hanh tin
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((hanh tinh) or (((thanh tinh) OR (nhanh tinh)))) cua dong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh tinh) OR (((thanh tinh) OR (nhanh tinh)))) cua dong cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((hanh tinh) or (((thanh tinh) OR (nhanh tinh)))) cua dong cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh tinh) or (((thanh tinh) OR (nhanh tinh)))) cua dong cong dan toan cao*.