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
dang cuong » dang cong, tang cuong, quang cuong
trung cua » truong cua, trung cap, dung cua
cuong tap » luong tap, cong tac, luong tai
tap toan » tap doan, tap quan, bai 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: ho ((chieu xanh) or (chieu sach)) - thanh ((trung cua) OR (trung tuan)) dang cuong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - thanh ((trung cua) OR (trung tuan)) dang cuong tap toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - thanh ((trung cua) OR (trung tuan)) dang cuong tap toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - thanh ((trung cua) OR (trung tuan)) dang cuong tap toan tap*.