Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chung huong » nhung huong, chuong duong, hung vuong
chieu sach » chinh sach, chiet tach, chieu sang
tranh luan » trinh luan, trinh luat, doanh luan
doi chieu » doc hieu, doi chi, ho chieu
than tap » toan tap, phan tap, than cap
han tap » han tai, toan tap, nhan tai

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 luan ((chung huong) or (nhung phuong)) dan ((than tap) OR (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh luan ((chung huong) OR (nhung phuong)) dan ((than tap) OR (han tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh tranh luan ((chung huong) or (nhung phuong)) dan ((than tap) OR (han tap))*".