Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung dung
canh trinh » canh tranh, hanh trinh, canh tinh
chieu sach » chinh sach, chiet tach, chieu sang
trinh luan » trinh luat, trinh quan, trinh han
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sach)) - canh trinh luan ((nhung huong) OR (nhung cong)) van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - canh trinh luan ((nhung huong) OR (nhung cong)) van than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (chieu sach)) - canh trinh luan ((nhung huong) OR (nhung cong)) van than cap*".