Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong danh, phuong hoang
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
phuong anh » phuong hoang
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

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

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