From NirSoft Freeware
MyLastSearch utility scans the cache and history files of your Web browser, and locate all search queries that you made with the most popular search engines (Google, Yahoo and MSN). The search queries that you made are displayed in a table with the following columns: Search Text, Search Engine, Search Time, Web Browser, and the search URL.
You can select one or more search queries and then copy them to the clipboard or save them into text/html/xml file.
MyLastSearch utility doesn't require any installation process or additional DLL files. In order to start using it, simply copy the executable file (MyLastSearch.exe) to any folder you like, and run it.
After running it, MyLastSearch scans the cache and history files of your Web browsers (Internet Explorer and/or Firefox), and find all search queries stored in them. The scanning process may take from a few seconds to 1 minute, depending on the size of your cache and history files.
After the scanning process is finished, the main window should display the list of all search queries the you made with the most popular search engines.