Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cua thuong » cua truong, cua phuong, ca thuong
tranh cua » doanh cua, manh cua
hoang van » hang va
song van » trong van, duong van, dang van
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 sang)) - canh tranh cua thuong ((song van) OR (hoang van)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - canh tranh cua thuong ((song van) OR (hoang van)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - canh tranh cua thuong ((song van) OR (hoang van)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - canh tranh cua thuong ((song van) OR (hoang van)) toan cao*.