| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unknown problems in the world | 0.21 | 0.1 | 9433 | 13 |
| what is the unknown in the problem | 1.23 | 0.8 | 9441 | 75 |
| unknown in the world | 0.25 | 1 | 9049 | 87 |
| unique problems in the world | 1.49 | 0.7 | 2798 | 1 |
| unknown things in the world | 1.67 | 0.3 | 9883 | 11 |
| interesting problems in the world | 0.12 | 0.8 | 539 | 31 |
| all the problems in the world | 0.01 | 0.1 | 2069 | 2 |
| recent problems in the world | 1.53 | 0.9 | 2202 | 23 |
| what are the world problems | 0.81 | 0.4 | 5825 | 45 |
| unknown parts of the world | 0.97 | 0.4 | 4140 | 51 |
| list of world problems | 0.51 | 0.9 | 71 | 46 |
| new world known issues | 1.86 | 0.1 | 3409 | 87 |
| compare smaller unknown word problems | 1.6 | 0.3 | 9570 | 11 |
