Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
hang cong » dang cong, hang nong, bang cong
bang song » nang song
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((hanh hang) or (cang thang)) cua ((hang cong) or (bang song)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh hang) OR (cang thang)) cua ((hang cong) OR (bang song)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh hang) or (cang thang)) cua ((hang cong) or (bang song)) dan than cau*.