Talvez deva tentar algumas variações de ortografia:
optimization algorithm » optimization algorithms (Expandir a busca)
spectral optimization » spectrum optimization (Expandir a busca), structural optimization (Expandir a busca), social optimization (Expandir a busca)
network population » network simulation (Expandir a busca), network operation (Expandir a busca), networks computation (Expandir a busca)
data elasticity » rate elasticity (Expandir a busca), and elasticity (Expandir a busca), demand elasticity (Expandir a busca)
algorithm data » algorithms data (Expandir a busca), algorithm to (Expandir a busca), algorithm and (Expandir a busca)
and spectral » and special (Expandir a busca), and spectrum (Expandir a busca)
routine and » routines and (Expandir a busca), routing and (Expandir a busca), routine care (Expandir a busca)
of network » of networks (Expandir a busca), _ network (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 AND spectral optimization algorithm data elasticity of network population~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and spectral optimization algorithm data elasticity of network population*.