Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
tranh luat » trinh luat, tranh luan, trinh luan
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - canh tranh luat ((ung dung) or (nhung phuong)) van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - canh tranh luat ((ung dung) OR (nhung phuong)) van tan tap*.