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
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
cua thong » cua thuong, cua khong, cua tong
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » khan cap, thanh lap, than cua

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 tinh) or (nhanh tinh)) cua thong cong thanh ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh tinh) OR (nhanh tinh)) cua thong cong thanh ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh tinh) or (nhanh tinh)) cua thong cong thanh ((than cap) or (thanh cac))*.