| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| search engines for scientific literature | 1.42 | 0.2 | 2032 | 69 | 40 |
| search | 1.78 | 0.3 | 3681 | 31 | 6 |
| engines | 1.59 | 0.1 | 1278 | 61 | 7 |
| for | 0.82 | 0.4 | 1698 | 6 | 3 |
| scientific | 0.74 | 0.9 | 121 | 74 | 10 |
| literature | 1.13 | 0.8 | 3799 | 70 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| search engines for scientific literature | 0.18 | 0.6 | 9502 | 86 |
