Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
dang cong » dung cong
trang va » tran van, hang va
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang va ((dang cong) OR (((bang song) OR (nang song)))) dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trang va ((dang cong) or (((bang song) OR (nang song)))) dan than cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang va ((dang cong) or (((bang song) OR (nang song)))) dan than cau*.