Talvez deva tentar algumas variações de ortografia:
proton programacao » prolog programacao (Expandir a busca), robos programacao (Expandir a busca), pro programacao (Expandir a busca)
to algorithm » to algorithms (Expandir a busca), pso algorithm (Expandir a busca), box algorithm (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)
objects to » objects of (Expandir a busca), objects in (Expandir a busca), objects _ (Expandir a busca)
on proton » in proton (Expandir a busca), kaon proton (Expandir a busca), on protein (Expandir a busca)
java and » java card (Expandir a busca), nova and (Expandir a busca), java 3d (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: java AND objects to algorithm on proton programacao python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: java and objects to algorithm on proton programacao python computer*.