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
hanh trinh » canh tranh, hanh chinh
van han » van hanh, van phan, van nhan
han tap » han tai, toan tap, nhan tai

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 - hanh trinh luat ((ung dung) or (nhung phuong)) van han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh trinh luat ((ung dung) OR (nhung phuong)) van han tap*.