Talvez deva tentar algumas variações de ortografia:
cone programming » and programming (Expandir a busca), computer programming (Expandir a busca), _ programming (Expandir a busca)
decrease cone » decreased bone (Expandir a busca), decreases bone (Expandir a busca), decrease on (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » not decrease (Expandir a busca), to decrease (Expandir a busca), of decree (Expandir a busca)
python and » python based (Expandir a busca)
pid python » in python (Expandir a busca), via python (Expandir a busca), api python (Expandir a busca)
and pid » and pig (Expandir a busca), and pi (Expandir a busca), and pi3k (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease of decrease cone programming ) OR ( python and pid python programming ))~.