Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chiet tach » chieu sach
cua phuong » cuu phuong, cuc phuong, luan phuong
tranh cua » doanh cua, manh cua
ho chiet » ho chieu, ho thiet, hoc thiet
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh cua phuong cong ((tan toan) OR (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua phuong cong ((tan toan) OR (van toan)) cau*.