Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
toan tuan » tran tuan, toan quan, toan luan
doan tuan » doan quan, doanh luan, doan quang
bang nong » hang nong, bang song, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
nong tac » cong tac, dong tac, nong tan
tac toan » tap toan, tam toan, hach toan
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 - thanh ((toan tuan) OR (doan tuan)) bang nong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((toan tuan) OR (doan tuan)) bang nong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((toan tuan) OR (doan tuan)) bang nong tac toan ban*.