A keyword search searches for exact word when a boolean search looks for synonym's.

The difference between a keyword search and a boolean search is the focus of the search. A keyword search is a search for an exact word. A boolean search is a search for a synonym.

Keyword search is finding the most desirable keyword for your website while directory search is finding relevant directories where you can submit your website.

Doing a keyword search online.

conduct a keyword search in search engines and online encyclopedias.

There is no limit for Google's keyword search as long as you are not doing it by means any automation.

1. If you want to search a keyword which is written in URL type google search= "keyword"
2. If you want to search forum site which is written in URL type google search= inurl: "forum"
3. If you want to search forum site which is written in title type google search= intitle: "forum"
4. If you want to search .com .edu .gov in URL type google search= keyword: ".com"
5. If you want to find a specific keyword except other keyword = specific keyword-except keyword
6. If you want to see review any product, type google search= review: product name