Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
cua tong » cua cong, cua dong, cua nong
toan ban » van 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) or (chinh sach)) - hanh trung cua tong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - hanh trung cua tong cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - hanh trung cua tong cong tinh toan ban*.