Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, truong cong
thuong dong » phuong dong, tuong dong, chuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
chu xanh » chu manh, chua xang, chuc danh
anh dang » anh dong, anh dung, anh bang
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
dang va » dang van, dang vat, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chieu xanh)) - anh dang va ((thuong cong) OR (thuong dong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - anh dang va ((thuong cong) OR (thuong dong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chieu xanh)) - anh dang va ((thuong cong) OR (thuong dong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu xanh)) - anh dang va ((thuong cong) OR (thuong dong)) dan toan cao*.