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 algorithm » detection algorithm (Expandir a busca), estimation algorithms (Expandir a busca), selection algorithm (Expandir a busca)
python programming » math programming (Expandir a busca)
reflection coding » reflective coating (Expandir a busca), deflection routing (Expandir a busca), reflection on (Expandir a busca)
and reflection » and selection (Expandir a busca), and reduction (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca), algorithm to (Expandir a busca)
in python » via python (Expandir a busca), _ 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: in python programming extraction algorithm AND reflection coding python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: in python programming extraction algorithm and reflection coding python computer*.