I thought you meant 4-5th keyword, not over 6th. 7 or more keywords are indeed ignored for performance and security reasons.
You can of course change that by making a small edit in the following file: wp-content/plugins/ajax-search-pro/includes/classes/search/search.class.php and lines 139-140, where you should see this:
$this->_s = $this->escape( array_slice(array_unique( explode(" ", $keyword) ), 0, 6) );
$this->_sr = $this->escape( array_slice(array_unique( array_reverse( explode(" ", $keyword_rev ) ) ), 0, 6) );…change those to:
$this->_s = $this->escape( array_slice(array_unique( explode(" ", $keyword) ), 0, 25) );
$this->_sr = $this->escape( array_slice(array_unique( array_reverse( explode(" ", $keyword_rev ) ) ), 0, 25) );This way it will allow 25 keywords instead of 6. If you experience any performance issues, then reduce this number to a lower one.
In case you can’t find these lines or having trouble with editing, feel free to update your FTP information and I will take care of it for you.
Best,Ernest Marcinko
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