Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thanh son » thanh san, thanh toan, thanh hoa
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
la hang » la thang, ly hang, va hang

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 - ((thanh son) OR (thanh cong)) la hang cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh son) OR (thanh cong)) la hang cong san ((toan tai) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((thanh son) OR (thanh cong)) la hang cong san ((toan tai) or (toan ban))*".