Perhaps you should try some spelling variations:
song thanh » son thanh, cong thanh, rong thanh
dong thanh » truong thanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
anh tang » anh bang, anh dang, anh nang
tang dan » tang van, tung dan, tang luan
dan dung » van dung, tin dung, ap dung
tuan tap » toan tap, tuan tai, tuyen tap

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 tang dan dung ((song thanh) OR (dong thanh)) tuan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - anh tang dan dung ((song thanh) OR (dong thanh)) tuan tap*".