Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
bang song » nang song
van thang » van thanh, van khang, van hang
anh sang » lanh sang, anh bang, anh nang
anh dang » anh dong, anh dung, anh bang
cua bang » chua bang, cua ban, cua dang
van than » van thanh, van tuan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((anh sang) or (anh dang)) cua bang song ((van than) OR (van thang)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh sang) OR (anh dang)) cua bang song ((van than) OR (van thang)) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((anh sang) or (anh dang)) cua bang song ((van than) OR (van thang)) ban*".