Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
hach toan » thanh toan, manh toan
cua dung » cua dang, cua dong, qua dung
cac toan » cac khoan, cac thanh, cac doanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hieu manh)) - hanh tranh cua dung trong ((cac toan) OR (hach toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu manh)) - hanh tranh cua dung trong ((cac toan) OR (hach toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hieu manh)) - hanh tranh cua dung trong ((cac toan) OR (hach toan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu manh)) - hanh tranh cua dung trong ((cac toan) OR (hach toan)) ban*.