Talvez deva tentar algumas variações de ortografia:
activation factor » activating factor (Expandir a busca), motivation factor (Expandir a busca), motivation factors (Expandir a busca)
factor decrease » faster decrease (Expandir a busca), factor increase (Expandir a busca), factor increases (Expandir a busca)
cpp activation » co activation (Expandir a busca), co2 activation (Expandir a busca), c5 activation (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
code cpp » code cpc (Expandir a busca), code app (Expandir a busca), code ctn (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( code cpp activation factor decrease ) OR ( _ python python python programming ))~.