Talvez deva tentar algumas variações de ortografia:
code mutation » core mutation (Expandir a busca), mode mutation (Expandir a busca), rose mutation (Expandir a busca)
mutation test » mutation testing (Expandir a busca), mutation rates (Expandir a busca)
test decrease » stent decrease (Expandir a busca), term decrease (Expandir a busca), that decrease (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
code code » code cdc (Expandir a busca)
of python » _ python (Expandir a busca), in python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( code code mutation test decrease ) OR ( of python python python programming ))~.