Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh toan » thanh toan, trinh toan, tinh toan
dung khong » dung hong, dung phong, dung thong
dung khang » dung thang, quang khang, dung nhan
ho chieu » theo chieu, hoc thieu, doi chieu
tuan cu » tuan tu, quan cua, tuan thu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh toan ((dung khong) OR (dung khang)) anh tuan cu~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh toan ((dung khong) or (dung khang)) anh tuan cu*.