The default search term operator is AND
You can use brackets, AND OR and NOT to improve your search. For example: C# AND NOT ( VB or SQL )
A query of a single * will return everything, filtered by any filters.
Search by Author: author:"author name"
Filter by tag: tag:C# or tag:(C++ or Java)
Wildcard search use: "?" or "*" eg. gr?d or gr*
Changing colors and updating our attributes.
Try playing around with the attributes inspector (the area on the right side of the screen). Click on your label, and see if you can change it's background to green and try making the font a bit bigger. The best way to learn is to experiment- so go ahead!