Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, cach mang, van manh
nguon van » nguoi van, nguyen van, nguong dan
nguon von » nguon goc
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
ban can » ban dan, ban hang, ban hanh

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 - ((canh manh) or (canh tranh)) cua dong ((nguon van) OR (nguon von)) ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((canh manh) OR (canh tranh)) cua dong ((nguon van) OR (nguon von)) ban can.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((canh manh) or (canh tranh)) cua dong ((nguon van) OR (nguon von)) ban can".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((canh manh) or (canh tranh)) cua dong ((nguon van) OR (nguon von)) ban can*.