Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
chan dau » phan dau, han dau, chuan dao
doan » doanh, toan, soan

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 - canh tranh cua ((hang cong) or (dung cong)) dan ((chan dau) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua ((hang cong) OR (dung cong)) dan ((chan dau) OR (chan doan)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh cua ((hang cong) or (dung cong)) dan ((chan dau) or (chan doan))*.