How to search for a keyword in all files using wild card operator and other operators like AND , OR

[Emad Mehraj Qadri]

How to search for a keyword in all files using wild card operator (&) and other operators like AND , OR

e.g. I want to search for files where content and file both are present.

Something like this: "content" AND "file"

How could this be achieved in eyeSQL search ?