Talvez deva tentar algumas variações de ortografia:
mating frequency » eating frequency (Expandir a busca), grazing frequency (Expandir a busca), milking frequency (Expandir a busca)
frequency python » frequency method (Expandir a busca), frequency methods (Expandir a busca), frequency pattern (Expandir a busca)
code decrease » oxide decrease (Expandir a busca), roads decrease (Expandir a busca), to decrease (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
python code » python coding (Expandir a busca), python redes (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

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