This claim is based on the content of the sites that it directs you to, rather than on any specific methods for searching the web, which are unaffected by subject area. As a site it is rather annoying in that it completely goes against standard web practice by not allowing you to go directly to additional sites it links to. Rather, you are supposed to collect the links in a virtual basket and view them later. Whatever tutorial you use, they will contain straightforward strategies, which, once followed, can make searching the net a systematic and productive endeavour. It is, however, unlikely to be an exact science and perseverance is often your greatest tool.
Directories are sites which attempt to categorise all the information that is out there.
They are easy to use and help the beginner to get a good sense of the type and structure of information that is available. They start with broad categories such as sport, entertainment, and education. You then simply select the category in which you think the item you are looking for might be listed and progress from there. The categories should get progressively smaller until you find what you are looking for. Irish premiere league, depending on the directory that you were using.