Perhaps you should try some spelling variations:
cong thuong » hang thuong
cong huong » cong luong, cong hung, dong huong
chi sach » chieu sach, co sach, moi sach
hanh han » hanh nhan, hanh phan, hanh san
van toan » van tuan, van tan, van thanh
toan ban » van ban
han cua » hang cua, nhan cua, 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: doi ((chi sach) OR (chinh sach)) - hanh han cua ((cong huong) or (cong thuong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chinh sach)) - hanh han cua ((cong huong) OR (cong thuong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi sach) OR (chinh sach)) - hanh han cua ((cong huong) or (cong thuong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) OR (chinh sach)) - hanh han cua ((cong huong) or (cong thuong)) van toan ban*.