Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
khong cong » thong cong, khong cang, chong cong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua khong » hua khong, cua phuong, cua thuong
cong tinh » cong trinh, cong vinh, long tinh
mang cua » manh cua, dung cua, ban cua

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

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