Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
trung cao » trung cap, trung co, trung ca
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

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