Perhaps you should try some spelling variations:
nhung phuong » dung phuong, truong phuong, bang phuong
chieu sach » chinh sach, chiet tach, chieu sang
nhu phuong » thu phuong, thi phuong, thu huong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh va ((nhung phuong) OR (nhu phuong)) van toan ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh va ((nhung phuong) or (nhu phuong)) van toan ban*.