| 19 different keywords | Search | Percent |
|---|
| pdf | 15 | 21.1 % |
| hack | 10 | 14 % |
| language | 9 | 12.6 % |
| programming | 7 | 9.8 % |
| php | 5 | 7 % |
| tutorial | 4 | 5.6 % |
| hacking | 4 | 5.6 % |
| with | 3 | 4.2 % |
| hhvm | 2 | 2.8 % |
| hacklang | 2 | 2.8 % |
| download | 2 | 2.8 % |
| filetype | 1 | 1.4 % |
| manual | 1 | 1.4 % |
| pdf#spf=1 | 1 | 1.4 % |
| .pdf | 1 | 1.4 % |
| on | 1 | 1.4 % |
| smart | 1 | 1.4 % |
| for | 1 | 1.4 % |
| hach | 1 | 1.4 % |
|