Talvez deva tentar algumas variações de ortografia:
optimization within » optimization with (Expandir a busca), optimiztion with (Expandir a busca), optimization in (Expandir a busca)
costs algorithm » cos algorithm (Expandir a busca), cosine algorithm (Expandir a busca), points algorithm (Expandir a busca)
within computer » with computer (Expandir a busca), python computer (Expandir a busca), with computers (Expandir a busca)
program costs » program tests (Expandir a busca), program capes (Expandir a busca), program cspp (Expandir a busca)
using python » usando python (Expandir a busca), using paths (Expandir a busca)
algorithm to » algorithms to (Expandir a busca), algorithm _ (Expandir a busca), algorithms _ (Expandir a busca)
to algorithm » to algorithms (Expandir a busca), pso algorithm (Expandir a busca), box algorithm (Expandir a busca)
in python » via python (Expandir a busca), _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "((using python) OR (in python)) program costs algorithm to algorithm optimization within computer~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: ((using python) OR (in python)) program costs algorithm to algorithm optimization within computer*.