Talvez deva tentar algumas variações de ortografia:
efficiency algorithm » efficient algorithm (Expandir a busca), efficient algorithms (Expandir a busca)
mata programming » math programming (Expandir a busca), java programming (Expandir a busca), fetal programming (Expandir a busca)
code efficiency » cost efficiency (Expandir a busca), care efficiency (Expandir a busca), coding efficiency (Expandir a busca)
programming on » programming of (Expandir a busca), programming in (Expandir a busca), programming and (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca)
on computer » one computer (Expandir a busca), of computer (Expandir a busca), in computer (Expandir a busca)
and mata » and mass (Expandir a busca), and meat (Expandir a busca), and male (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 java code efficiency algorithm AND mata programming on computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: java java code efficiency algorithm and mata programming on computer*.