Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
dang cong » dung cong
van tuanh » van thanh, van tranh, van quan
doc hieu » toc thieu, hoc thieu, hoc hien
canh van » anh van, can van, canh dan
cach van » cac van, bach van, cach mang
cua dang » cua cong, cua ban
van tuan » van quan, van ban, anh tuan

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 van) OR (cach van)) cua dang cong ((van tuan) or (van tuanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((canh van) OR (cach van)) cua dang cong ((van tuan) OR (van tuanh)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((canh van) OR (cach van)) cua dang cong ((van tuan) or (van tuanh)) cau*".