Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
thanh bac » nhanh bac, thanh bai, thanh san
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
tang van » dang van, hoang van, trong van
nong san » cong san, nong dan, trong san
dong san » cong san, dong bang, dong von
anh ban » anh bang, anh bai, anh van
ban cua » ban quan

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 - anh ban cua dang ((((tang van) or (nong san))) or (dong san)) thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - anh ban cua dang ((((tang van) OR (nong san))) OR (dong san)) thanh bac*.