Talvez deva tentar algumas variações de ortografia:
proof programacao » prolog programacao (Expandir a busca), pro programacao (Expandir a busca), robos programacao (Expandir a busca)
code algorithm » and algorithm (Expandir a busca), cut algorithm (Expandir a busca), colony algorithm (Expandir a busca)
objects code » objects of (Expandir a busca), object model (Expandir a busca), objects and (Expandir a busca)
algorithm on » algorithms on (Expandir a busca), algorithm of (Expandir a busca), algorithm and (Expandir a busca)
and objects » and object (Expandir a busca), and objectives (Expandir a busca), and projects (Expandir a busca)
nova and » nova ana (Expandir a busca), nova al (Expandir a busca)
on proof » of proof (Expandir a busca), and proof (Expandir a busca), _ proof (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: nova AND objects code algorithm on proof programacao python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: nova and objects code algorithm on proof programacao python computer*.