Index: trunk/kernel/frontaction.php
===================================================================
diff -u -N -r1061 -r1072
--- trunk/kernel/frontaction.php	(.../frontaction.php)	(revision 1061)
+++ trunk/kernel/frontaction.php	(.../frontaction.php)	(revision 1072)
@@ -843,16 +843,19 @@
            	$key_arr = explode(' ', $keywords);
            	
            	foreach($key_arr as $value) {
-           		if (strlen($value) < $length) {
+           		if (strlen(str_replace("+", "", $value)) < $length || strlen(str_replace("-", "", $value)) < $length) {
            			$keywords = str_replace(' '.$value, '', $keywords);
-           			$keywords = str_replace($value.' ', '', $keywords);
+           			$keywords = str_replace($value.' ', '', $keywords);           			
            		}
            	}
            	
            	//$keywords = str_replace('  ', ' ', $keywords);
            	//$keywords = str_replace('\"', '', $keywords);
            	
-           	$performSearch = (strlen($keywords) >= $length);
+           	$tmp_keywords = str_replace("+", "", $keywords);
+           	$tmp_keywords = str_replace("-", "", $tmp_keywords);
+           	
+           	$performSearch = (strlen($tmp_keywords) >= $length);
            }
          	         
            if ($performSearch) {
@@ -971,7 +974,10 @@
            	
            	//$keywords = str_replace('  ', ' ', $keywords);
            	
-           	$performSearch = (strlen($keywords) >= $length);
+           	$tmp_keywords = str_replace("+", "", $keywords);
+           	$tmp_keywords = str_replace("-", "", $tmp_keywords);
+           	
+           	$performSearch = (strlen($tmp_keywords) >= $length);           	
            }
          	         
            if ($performSearch) {