Perhaps you should try some spelling variations:
phung cuong » phung cong, phuong duong, phuong luong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
hung cuong » hung vuong, hong cuong, hung luong
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xang - hanh tranh luan ((hung cuong) or (phung cuong)) ((dan toan) or (dan gian)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - hanh tranh luan ((hung cuong) OR (phung cuong)) ((dan toan) OR (dan gian)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xang - hanh tranh luan ((hung cuong) or (phung cuong)) ((dan toan) or (dan gian)) cau*.