| 23 different keywords | Search | Percent |
|---|
| pdf | 19 | 21.3 % |
| hack | 11 | 12.3 % |
| programming | 10 | 11.2 % |
| language | 10 | 11.2 % |
| tutorial | 9 | 10.1 % |
| hacking | 6 | 6.7 % |
| php | 4 | 4.4 % |
| www | 3 | 3.3 % |
| hhvm | 2 | 2.2 % |
| null | 2 | 2.2 % |
| of | 1 | 1.1 % |
| fb | 1 | 1.1 % |
| http | 1 | 1.1 % |
| languagetutorial | 1 | 1.1 % |
| //dl.hhvm.com | 1 | 1.1 % |
| for | 1 | 1.1 % |
| .tutorialspoint.com | 1 | 1.1 % |
| trusty/main | 1 | 1.1 % |
| index | 1 | 1.1 % |
| c | 1 | 1.1 % |
| programings | 1 | 1.1 % |
| book | 1 | 1.1 % |
| and | 1 | 1.1 % |
|