| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bulgarian books history | 0.58 | 0.1 | 2340 | 59 | 23 |
| bulgarian | 1.57 | 0.8 | 6652 | 23 | 9 |
| books | 0.65 | 0.8 | 7592 | 43 | 5 |
| history | 1.14 | 1 | 8478 | 42 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bulgarian books history | 1.82 | 0.5 | 5261 | 1 |
| bulgarian history book | 0.02 | 0.8 | 6700 | 31 |
