Talvez deva tentar algumas variações de ortografia:
theory programming » the programming (Expandir a busca), the reprogramming (Expandir a busca), their reprogramming (Expandir a busca)
decrease theory » decrease their (Expandir a busca), decrease the (Expandir a busca), disease theory (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (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 on » python of (Expandir a busca), python in (Expandir a busca), python and (Expandir a busca)
on python » in python (Expandir a busca), of python (Expandir a busca), _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease of decrease theory programming ) OR ( python on python python programming ))~.