Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
hanh ban » thanh ban, hanh san, hanh han
hang ban » hang luan, hang va, hang tai
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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