Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
dong doanh » dung doanh, trong doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
dung dong » dung cong, vung dong, dung trong
mang qua » mang cua, mang vua, nang quan
qua dung » quang dung, su dung, qua song

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 (chiet tach)) - cach mang qua dung dong doanh phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - cach mang qua dung dong doanh phan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - cach mang qua dung dong doanh phan tu*.