Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
canh ban » can ban, canh dan, canh van
cua dang » cua cong, cua ban
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
than cau » toan cau, phan cau, than cap
ban cua » ban quan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - canh ban cua dang ((cong van) OR (song van)) than cau~".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh ban cua dang ((cong van) OR (song van)) than cau*.