Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cong doan » cong dan, cong hoan, dong doanh
cua hang » cua dang, cua nhung, cua cong
phan dau » hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh tranh cua hang cong doan ((phan dau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh cua hang cong doan ((phan dau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh cua hang cong doan ((phan dau) or (phan tu))*.