Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung cap, dung cua
cuong tap » luong tap, cong tac, cong tan
luong tai » dung tai, luong va
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: doi chieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cuong tap) OR (luong tai)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung cua) OR (trung tuan)) nhung ((cuong tap) OR (luong tai)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cuong tap) OR (luong tai)) toan tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cuong tap) OR (luong tai)) toan tap*.