title: MATCH AGAINST multiple words AND OR not working in codeigniter model
body: <p>I have one table like below ,table name is js_skills_achievements</p>
  
  <pre><code>id   skill1  skill2  skill3  skill4
  1     java    php    html    android
  2     php     java   jquery  html
  3     sql     php    html    jquery
  </code></pre>
  
  <p>When admin search key is "java developer"</p>
  
  <pre><code>SELECT * FROM js_skills_achievements
  WHERE MATCH(skill1,skill2,skill3,skill4) AGAINST ('java developer');
  </code></pre>
  
  <p>Its working for me , BUT I NEED MULTIPLE KEYWORDS not Working below QUERY</p>
  
  <pre><code>SELECT * FROM js_skills_achievements
      WHERE MATCH (js_skills_achievements.skill1,js_skills_achievements.skill2,js_skills_achievements.skill3,js_skills_achievements.skill4) AGAINST('java developer') OR (MATCH (js_skills_achievements.skill1,js_skills_achievements.skill2,js_skills_achievements.skill3,js_skills_achievements.skill4) AGAINST('php developer')
  
  //This is Also not working
  SELECT * FROM js_skills_achievements
  WHERE MATCH(skill1,skill2,skill3,skill4) AGAINST ('java developer','php developer');
  </code></pre>
  
  <p>Please any one help  me.</p>