Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong thanh » dong thanh, cong tan, truong thanh
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
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 ((chieu xanh) or (chieu tinh)) - canh tranh cua dung ((cong thanh) OR (cong trinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu tinh)) - canh tranh cua dung ((cong thanh) OR (cong trinh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu tinh)) - canh tranh cua dung ((cong thanh) OR (cong trinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu tinh)) - canh tranh cua dung ((cong thanh) OR (cong trinh)) toan cau*.