| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| northeast china coal mine accident | 0.14 | 0.3 | 6598 | 31 |
| china coal mine accident | 0.53 | 0.7 | 5959 | 89 |
| chinese coal mine accident | 0.96 | 1 | 6793 | 22 |
| cn coal mine accident | 0.97 | 0.3 | 1325 | 39 |
| china coal mine accident 8 killed | 0.3 | 0.3 | 3152 | 16 |
| china coal mining accident | 1.73 | 0.9 | 6859 | 14 |
| northeast china coal mine a | 1.74 | 1 | 1593 | 83 |
| coal mine collapses in northern china | 1.81 | 0.2 | 4349 | 88 |
| coal mine explosion northern china | 1.93 | 0.8 | 7324 | 48 |
| coal mine accident death toll china | 0.49 | 0.5 | 8593 | 17 |
| china coal mine collapse | 1.46 | 0.1 | 8772 | 87 |
| china coal mine explosion | 1.01 | 0.4 | 1897 | 71 |
| coal mine accident today | 1.88 | 0.5 | 1889 | 28 |
| chinese coal mine collapse | 0.6 | 0.7 | 1367 | 57 |
