| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| lehman laws of software evolution | 0.05 | 0.2 | 5650 | 50 |
| laws of software evolution | 1.72 | 0.8 | 5668 | 90 |
| lehman's law in software engineering | 1.87 | 0.5 | 8003 | 37 |
| law 5 of software evolution | 0.84 | 0.9 | 3825 | 16 |
| what is software evolution law | 1.09 | 0.6 | 1704 | 44 |
| overview of software evolution | 0.13 | 0.9 | 782 | 100 |
| laws of software engineering | 1.22 | 0.5 | 8127 | 57 |
| lehman's laws of software evolution | 0.17 | 0.6 | 6121 | 96 |
| software system evolution laws | 0.47 | 0.6 | 4492 | 81 |
