Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
truong ca » truong va, trong ca, truong dai
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 sach)) - thanh ((truong ca) OR (truong cao)) nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - thanh ((truong ca) OR (truong cao)) nhung cong san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - thanh ((truong ca) OR (truong cao)) nhung cong san toan tap*".