Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
thuc dieu » thu dieu, thuc hieu, thuat dieu
anh bang » anh hoang, anh quang, tinh bang
anh danh » anh anh, anh dang, anh dinh
cong san » cong tac
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc dieu hanh - ((anh bang) or (anh danh)) cua cong cong san ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc dieu hanh - ((anh bang) OR (anh danh)) cua cong cong san ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: thuc dieu hanh - ((anh bang) or (anh danh)) cua cong cong san ((toan ban) or (toan cao))*.