Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trong quan » thong quan, tong quan, thong quang
trung qua » trung quan, trong qua, trung cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
sang cho » danh cho, sang tao, dong cho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung qua) OR (trong quan)) dung cong tan ((sang cho) OR (dung cho))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung qua) or (trong quan)) dung cong tan ((sang cho) OR (dung cho))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung qua) or (trong quan)) dung cong tan ((sang cho) OR (dung cho))*.