Talvez deva tentar algumas variações de ortografia:
optimization algorithms » approximation algorithms (Expandir a busca)
vector optimization » control optimization (Expandir a busca)
electricity and » electrical and (Expandir a busca), electric and (Expandir a busca)
in electricity » of electricity (Expandir a busca), _ electricity (Expandir a busca), in electrical (Expandir a busca)
algorithms in » algorithms and (Expandir a busca), algorithms _ (Expandir a busca), algorithm _ (Expandir a busca)
routine with » routing with (Expandir a busca), routes with (Expandir a busca), routine at (Expandir a busca)
with vector » with vectors (Expandir a busca), with veto (Expandir a busca), with section (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 with vector optimization algorithms in electricity AND python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine with vector optimization algorithms in electricity and python computer*.