If you do plan to use a search engine to find, for example, books, then you must be specific. Type all of that information into the search engine and be as specific as possible. This will ensure you are using your online time effectively. You can also search for your favorite stores online. Most likely they're name followed by a dot com will be sufficient.
Many major stores are already online and offer online shopping.
If you are using a specific internet company, many of them offer shopping guides as well. Also be prepared to save a lot of money shopping online. Since not everyone is online yet and the market is growing, many companies offer discounts on selected items. Some businesses will give you discounts depending on your internet carrier. Once you have found what you are looking for, it's time to get out your credit card and stop fretting.