Tips: You can use "and" (default) and "or" with search terms.
   Write umlauts like Ä as Ae, ...
   Examples: 
   - "cat and mouse" - or simply "cat mouse"
   -  "(cat or mouse) and not dog" *
   -  "cat or mouse"
      *) "not" operates only within the set of files containing
         at least one of "cat", "mouse" or "dog".
   
  
  
  
  Specify options: