Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
canh manh » lanh manh, cach mang, van manh
dang hung » dang quang, manh hung, dang cong
van thang » van thanh, van khang, van hang
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - ((canh manh) OR (canh tranh)) cua dang hung ((dan than) or (van thang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((canh manh) OR (canh tranh)) cua dang hung ((dan than) OR (van thang)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((canh manh) OR (canh tranh)) cua dang hung ((dan than) or (van thang)) cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - ((canh manh) OR (canh tranh)) cua dang hung ((dan than) or (van thang)) cau*.