Talvez deva tentar algumas variações de ortografia:
estimation algorithms » optimization algorithms (Expandir a busca), distribution algorithms (Expandir a busca), optimization algorithm (Expandir a busca)
initial estimation » interval estimation (Expandir a busca), initial formation (Expandir a busca), initial education (Expandir a busca)
plasticity theory » elasticity theory (Expandir a busca), plasticity allegory (Expandir a busca), relattivity theory (Expandir a busca)
algorithms and » algorithms _ (Expandir a busca)
and plasticity » and plastic (Expandir a busca)
theory python » the python (Expandir a busca), theory method (Expandir a busca)
routine in » routines in (Expandir a busca), routing in (Expandir a busca), routine and (Expandir a busca)
in initial » of initial (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 in initial estimation algorithms AND plasticity theory python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine in initial estimation algorithms and plasticity theory python computer*.