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*
Further explaining the importance of organization, Joseph goes through the concept of wireframing your site or app and setting it in stone before designing any appearances.
This section discusses the vital ways the structure and function of your design is of a higher priority over the appearance, and how to organize your content in ways that will make building your ideas much easier.