| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| russian students killed | 2 | 0.8 | 3258 | 41 | 23 |
| russian | 0.14 | 0.6 | 9143 | 89 | 7 |
| students | 1.09 | 0.5 | 3054 | 30 | 8 |
| killed | 1.27 | 0.1 | 3320 | 15 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| russian students killed in siberia in 1959 | 1.98 | 0.8 | 5117 | 9 |
| nine russian students killed 1959 | 1.98 | 0.5 | 6758 | 82 |
| russian students dead 1959 | 0.58 | 0.2 | 9069 | 29 |
| russian hikers found dead in siberia 1959 | 1.8 | 0.4 | 6498 | 85 |
| nine hikers killed in russia in 1959 | 0.77 | 0.4 | 6852 | 85 |
| siberian mystery incident in 1959 | 1.3 | 0.3 | 8262 | 47 |
| missing russian students 1959 | 1.34 | 0.3 | 818 | 4 |
| students killed in moscow | 0.92 | 1 | 5519 | 26 |
| russia 1959 hikers killed | 0.46 | 0.6 | 1420 | 96 |
| college students killed in moscow | 0.69 | 0.8 | 2783 | 35 |
| june 30 1908 in siberia russia | 0.69 | 0.8 | 9326 | 84 |
| russian civil war siberia | 0.35 | 0.3 | 4706 | 61 |
| siberian family found in 1978 | 1.69 | 0.1 | 2020 | 93 |
