title: Laravel multiple column eloquent search query
body: <p>i am very new in Laravel,currently working with Laravel4.I am trying to add a multiple column search functionality in my project.I can do single column eloquent search query,But honestly i have no idea how to do multiple column eloquent search query in laravel.I have <strong>two drop down menu</strong></p>
  
  <p>1.Locatiom
  2.blood group.</p>
  
  <p>i want to search an <strong>user</strong> having certain <strong>blood group</strong> against certain <strong>location</strong>.That is, user will select a <strong>location</strong> and <strong>blood group</strong> from those two drop down menu at a time and hit the search button.</p>
  
  <p>In my database,i have two column, one contains the <strong>location</strong> and another contains the <strong>blood group</strong> of a certain user. Now,what should be the eloquent query for such a search?</p>