Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua phuong, ca thuong, cua huong
cua truong » cua trung, xuan truong, cac truong
doc chieu » doc hieu, doi chieu, toc thieu
lanh ban » lanh bang, lang ban, doanh ban
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu xanh - lanh ban ((cua thuong) or (cua truong)) co ((dan toan) OR (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - lanh ban ((cua thuong) OR (cua truong)) co ((dan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chieu xanh - lanh ban ((cua thuong) or (cua truong)) co ((dan toan) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - lanh ban ((cua thuong) or (cua truong)) co ((dan toan) OR (dan than)) cao*.