Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
chua xang » chua nang, chuc nang, chu bang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong manh » cong danh, duong manh, hoang manh
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 ((chua xang) or (chieu xanh)) - canh tranh cua nhung ((cong manh) OR (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chieu xanh)) - canh tranh cua nhung ((cong manh) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chieu xanh)) - canh tranh cua nhung ((cong manh) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chieu xanh)) - canh tranh cua nhung ((cong manh) OR (cong thanh)) toan cau*.