| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why is it difficult to cure cancer | 0.13 | 1 | 2802 | 90 |
| why is cancer so difficult to cure | 0.58 | 0.3 | 518 | 3 |
| why is it so difficult to cure cancer | 0.29 | 0.6 | 6314 | 66 |
| why is cancer difficult to cure | 1.03 | 0.1 | 1990 | 32 |
| why is finding a cure for cancer so difficult | 1.96 | 0.6 | 9530 | 72 |
| why is cancer so difficult to treat or cure | 1.4 | 0.4 | 3442 | 54 |
| why is cancer so difficult to treat | 0.44 | 0.4 | 7055 | 61 |
| why cancer is hard to treat | 0.89 | 0.2 | 6121 | 29 |
| why can't they cure cancer | 1.49 | 1 | 9671 | 99 |
| why isn't there a cure for cancer | 0.23 | 0.6 | 3978 | 14 |
| what makes cancer so hard to cure | 0.61 | 0.8 | 459 | 23 |
| why cancer can't be cured | 1.1 | 0.3 | 151 | 81 |
| why does cancer not have a cure | 1.92 | 0.7 | 2659 | 94 |
| explain why cancers are difficult to treat | 1.57 | 0.8 | 6802 | 85 |
| why isn't cancer cured | 0.84 | 0.1 | 1766 | 3 |
| why have we not cured cancer | 1.05 | 0.3 | 2217 | 31 |
