Talvez deva tentar algumas variações de ortografia:
estimation algorithms » optimization algorithms (Expandir a busca), optimization algorithm (Expandir a busca), approximation algorithms (Expandir a busca)
spatial estimation » optimal estimation (Expandir a busca), spatial deformation (Expandir a busca), spatial variation (Expandir a busca)
method computation » network computation (Expandir a busca), the computation (Expandir a busca), method simulation (Expandir a busca)
objective method » objective metrics (Expandir a busca), objective good (Expandir a busca), injection method (Expandir a busca)
algorithms of » algorithm of (Expandir a busca), algorithms on (Expandir a busca), algorithms _ (Expandir a busca)
routine and » routines and (Expandir a busca), routing and (Expandir a busca), routine care (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 spatial estimation algorithms of elasticity objective method computation~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and spatial estimation algorithms of elasticity objective method computation*.