Talvez deva tentar algumas variações de ortografia:
python programming » math programming (Expandir a busca)
programming bat » programming by (Expandir a busca), programming based (Expandir a busca), programming with (Expandir a busca)
programs python » programacao python (Expandir a busca)
bat algorithm » an algorithm (Expandir a busca), _ algorithm (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca)
plc programs » palc programa (Expandir a busca), c programs (Expandir a busca), p4 programs (Expandir a busca)
and plc » and ple (Expandir a busca), and place (Expandir a busca), and play (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: _ python programming bat algorithm AND plc programs python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: _ python programming bat algorithm and plc programs python computer*.