A ';' means AND. Search for two or more words anywhere on a line and in any order.

• To search for all sailmakers type in: sailmakers
  
• To search for sailmakers in canada type in: sailmaker;canada
        or type in: canada;sailmakers
  

A ',' means OR. Search for any of two or more words on a line.

• To search for sailing or yachting type in: sailing,yachting
  
• To also search for boating type in: sailing,yachting,boating
  

Use '{}' to group patterns.

• To search for land sailing or land yachting type in: {sailing,yachting};land