Perhaps you should try some spelling variations:
nhung dong » nhung don, nhung cong, nhung dung
doi chieu » doc hieu, doi chi, mot chieu
dong doan » dong doanh, cong doan, dong don
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, mot chieu
tranh va » tranh van, trang va, trinh va

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) OR (doi chieu)) sach - canh tranh va nhung dong doan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - canh tranh va nhung dong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - canh tranh va nhung dong doan phan tu*.