Talvez deva tentar algumas variações de ortografia:
spectrum approximation » term approximation (Expandir a busca), medium approximation (Expandir a busca)
elasticity price » electricity price (Expandir a busca), electricity prices (Expandir a busca)
algorithms in » algorithms and (Expandir a busca), algorithms _ (Expandir a busca), algorithm _ (Expandir a busca)
in elasticity » and elasticity (Expandir a busca), of elasticity (Expandir a busca), soil elasticity (Expandir a busca)
price network » practice network (Expandir a busca), service network (Expandir a busca), private network (Expandir a busca)
routine and » routines and (Expandir a busca), routing and (Expandir a busca), routine care (Expandir a busca)
simulator » simulation (Expandir a busca), simulated (Expandir a busca), simulate (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 spectrum approximation algorithms in elasticity price network simulator~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and spectrum approximation algorithms in elasticity price network simulator*.