Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dinh trung » sinh trung, dinh trong, kinh trung
duong cong » dung cong, luong cong, duong trong
doi chieu » doc hieu, doi chi, ho chieu
dap duong » dai duong, dam duong, doan duong
cong san » cong tac
toan ban » van 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 - ((dinh trung) or (canh tranh)) dap duong cong san ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((dinh trung) OR (canh tranh)) dap duong cong san ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((dinh trung) or (canh tranh)) dap duong cong san ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((dinh trung) or (canh tranh)) dap duong cong san ((toan tap) OR (toan ban))*.