> "left-wing kills police officer"
> oddly enough produces mostly right-wing violence. Putting "left-wing" in quotes helps a lot though.
Can you give an example of an article that you would have expected instead for that query? I.e. one that you feel has been left out, or ranked too low?
What is a reliable way of determining whether that statement is true?
For example, do you have URLs of news articles that are not found by major search engines (or are ranked questionably low for the given query)?