Bringing the resutls may take a long time. Even if you are browsing at a mirror site, the search is performed at the main server at Texas State University-San Marcos (USA). The links embedded in the search results also point to the files at the main site. This makes the response time dependent on your geographical location.
To search for "dog" AND "cat" in the same file, type dog ; cat
To serach for "dog" OR "cat" in the same file, type dog , cat
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