Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
bien tinh » bi tinh, yen tinh, diep tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu xanh) or (hien hanh))) or (bien tinh)) - hanh tranh cua nhung cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (hien hanh))) OR (bien tinh)) - hanh tranh cua nhung cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (hien hanh))) or (bien tinh)) - hanh tranh cua nhung cong tap toan ban*.