Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong lang » cong vang, cong luong, cong quang
lang toan » dang toan, lang thang, lang thanh
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
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: ho ((chieu xanh) or (chieu sach)) - thanh ((tung cua) OR (dung cua)) thuong cong lang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - thanh ((tung cua) OR (dung cua)) thuong cong lang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - thanh ((tung cua) OR (dung cua)) thuong cong lang toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - thanh ((tung cua) OR (dung cua)) thuong cong lang toan ban*.