Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, hang cong, nhung don
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
phan dau » phan tu, hang dau
phan van » pham van, thanh van, luan van

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 van ((nhung cong) OR (dung cong)) doanh ((phan dau) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh van ((nhung cong) OR (dung cong)) doanh ((phan dau) OR (phan van))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh van ((nhung cong) OR (dung cong)) doanh ((phan dau) or (phan van))*".