Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
tan toan » tap toan, van toan, dan 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 xanh) or (chu manh)) - hanh tranh luan chung cong ((tan toan) or (tan tran)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - hanh tranh luan chung cong ((tan toan) OR (tan tran)) cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu manh)) - hanh tranh luan chung cong ((tan toan) or (tan tran)) cao*.