Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
pho phuong » theo phuong, pho thong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
tranh va » tranh van, trang va, trinh va
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
va pho » va phe, va cho, va pha

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) or (chieu tinh)) - canh tranh va pho phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu tinh)) - canh tranh va pho phuong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu tinh)) - canh tranh va pho phuong dan toan cau*.