| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| russian students dead 1959 | 1.26 | 0.4 | 2366 | 92 |
| nine russian students killed 1959 | 1.34 | 1 | 1739 | 74 |
| missing russian students 1959 | 0.09 | 0.7 | 4706 | 92 |
| russian students killed in siberia in 1959 | 0.77 | 0.9 | 8813 | 12 |
| russian college students missing in 1940 | 1.62 | 0.8 | 6563 | 49 |
| russian official found dead | 1.62 | 0.2 | 5469 | 4 |
| russian diplomat found dead | 1.02 | 0.7 | 4844 | 50 |
| student found dead at school | 0.79 | 0.6 | 5342 | 98 |
| russian explorers found dead | 0.93 | 0.6 | 2835 | 7 |
| nursing student found dead | 0.54 | 0.1 | 4257 | 11 |
| four students found dead | 1.43 | 0.5 | 6387 | 45 |
| grad student found dead | 1.62 | 0.7 | 1346 | 45 |
| four university students found dead | 0.25 | 0.6 | 3279 | 65 |
| russian man found dead | 1.37 | 0.9 | 7461 | 64 |
| russian college kids disappearance 1956 | 1.97 | 0.1 | 178 | 94 |
| msu student found dead | 0.61 | 1 | 5945 | 55 |
| ku student found dead | 0.99 | 0.4 | 258 | 49 |
| students killed in moscow | 1.17 | 1 | 5408 | 26 |
| college students killed in moscow | 1.74 | 0.5 | 532 | 55 |
| nine hikers killed in russia in 1959 | 1.48 | 0.7 | 4637 | 99 |
| four students killed in michigan | 0.22 | 0.5 | 6170 | 5 |
