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
tong cong » trong cong, cong cong, dung cong
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
hanh cac » hang cac, hanh cat, nhanh cay

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