Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, cong cong
dung cong » dung trong
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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: theo tieu xanh - canh tranh cua ((((hang cong) OR (bang cong))) OR (dung cong)) dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - canh tranh cua ((((hang cong) OR (bang cong))) or (dung cong)) dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh cua ((((hang cong) OR (bang cong))) or (dung cong)) dan toan cau*.