| Share | Phrase |
|---|
| 14.52% | improve controllability [perform operation] |
| 9.19% | ratio controllability |
| 7.57% | controllability deterioration |
| 6.89% | injection controllability |
| 5.54% | good [character] controllability |
| 5.19% | controllability degradation |
| 5.02% | degraded controllability |
| 3.98% | deteriorate controllability [perform operation] |
| 3.64% | enhance controllability [perform operation] |
| 3.43% | excellent [character] controllability |
| 3.40% | degrade controllability [perform operation] |
| 3.36% | controllability [does] deteriorate |
| 3.33% | poor [amount] controllability |
| 3.23% | maintain controllability [perform operation] |
| 3.14% | vehicle controllability |
| 3.13% | stable [time periodicity] controllability |
| 2.08% | force controllability |
| 1.80% | keep controllability [perform operation] |
| 1.70% | ensure controllability [perform operation] |
| 1.65% | air-fuel controllability |
| 1.44% | achieve controllability [perform operation] |
| 1.15% | prevent controllability [perform operation] |
| 1.13% | increase controllability [perform operation] |
| 1.06% | engine controllability |
| 1.02% | provide controllability [perform operation] |
| 0.87% | brake controllability |
| 0.84% | system controllability |
| 0.56% | have controllability [perform operation] |