Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
phung cong » phong cong, nhung chong, dung cong
nhung cong » dung cong, thong cong, hang cong
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
tai ban » tai ngan, tai benh
tai san » tai ngan

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 - anh tang luan ((phung cong) OR (nhung cong)) tac ((tai ban) or (tai san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - anh tang luan ((phung cong) OR (nhung cong)) tac ((tai ban) OR (tai san)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - anh tang luan ((phung cong) OR (nhung cong)) tac ((tai ban) or (tai san))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - anh tang luan ((phung cong) OR (nhung cong)) tac ((tai ban) or (tai san))*.