Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
dong cong » duong cong, dung cong, dang cong
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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

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