title: mongodb find group by multiple fields
body: <p>I have a collection example below</p>
  
  <pre><code>ROW Order Type   isdeliver
  1     T      W       TRUE
  2     T      L       TRUE
  3     T      W       TRUE
  4     T      L       FALSE
  5     C      L       TRUE
  6     C      L       TRUE
  7     C      W       TRUE
  6     C      W       FALSE
  </code></pre>
  
  <p>Now I want to write a mongodb query this query will return where isdeliver TRUE more than one and have same Order and Type
  Need exact below output</p>
  
  <pre><code>ROW Order Type   isdeliver
  1     T      W       TRUE
  3     T      W       TRUE
  5     C      L       TRUE
  6     C      L       TRUE
  </code></pre>