Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
bang cong » dang cong, bang song, hang cong
cong bang » cuong bang, dong bang, hong bang
bang khan » bang nhan, bang thanh, dang khanh
khan cap » khan ap, than cap, khoan cam

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) or (chieu sach)) - hanh ((trung cua) OR (trung tuan)) bang cong bang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - hanh ((trung cua) OR (trung tuan)) bang cong bang khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - hanh ((trung cua) OR (trung tuan)) bang cong bang khan cap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - hanh ((trung cua) OR (trung tuan)) bang cong bang khan cap*.