Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, dieu hanh, tien anh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
hang nong » thang long, han tong
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.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu xanh) OR (chieu xanh)) - hanh trinh cua ((dung cong) or (hang nong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - hanh trinh cua ((dung cong) OR (hang nong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (chieu xanh)) - hanh trinh cua ((dung cong) or (hang nong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (chieu xanh)) - hanh trinh cua ((dung cong) or (hang nong)) dan toan cau*.