Crooks.net

For example, here’s a standard Google search to learn about inserting images in Apple Pages: “pages insert image”.  “Pages” is a rather generic term to standard Google and the results aren’t what you’re probably looking for:

But let’s see what happens when I use the topic-specific search for Apple, found at http://www.google.com/mac:

Much better!  There aren’t that many topic-specific searches listed, but if one of the ones they offer matches the type of thing you’re looking for it could be a big help.