Talvez deva tentar algumas variações de ortografia:
programming extraction » programming abstractions (Expandir a busca), programming education (Expandir a busca), programming extension (Expandir a busca)
extraction algorithms » extraction algorithm (Expandir a busca), subtraction algorithms (Expandir a busca), estimation algorithms (Expandir a busca)
python programming » math programming (Expandir a busca)
programming method » programming with (Expandir a busca)
method simulation » method simplification (Expandir a busca)
java programming » math programming (Expandir a busca), fetal programming (Expandir a busca), gpu programming (Expandir a busca)
algorithms and » algorithms _ (Expandir a busca)
routine java » routine and (Expandir a busca), routine care (Expandir a busca), routine at (Expandir a busca)
and python » in python (Expandir a busca), usando python (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: routine java programming extraction algorithms AND python programming method simulation~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine java programming extraction algorithms and python programming method simulation*.