Talvez deva tentar algumas variações de ortografia:
optimization algorithms » approximation algorithms (Expandir a busca)
vector optimization » control optimization (Expandir a busca)
elasticity practice » elasticity price (Expandir a busca)
practice network » fracture network (Expandir a busca), active network (Expandir a busca), active networks (Expandir a busca)
network simulate » network simulator (Expandir a busca), network simulation (Expandir a busca), networks simulator (Expandir a busca)
algorithms soil » algorithm social (Expandir a busca), algorithms in (Expandir a busca), algorithms to (Expandir a busca)
soil elasticity » of elasticity (Expandir a busca), price elasticity (Expandir a busca), soil resistivity (Expandir a busca)
routines and » routine and (Expandir a busca), routing and (Expandir a busca), routes and (Expandir a busca)
and vector » and reactor (Expandir a busca), in vector (Expandir a busca), and vectorial (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: routines AND vector optimization algorithms soil elasticity practice network simulate~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routines and vector optimization algorithms soil elasticity practice network simulate*.