Talvez deva tentar algumas variações de ortografia:
object approximation » best approximation (Expandir a busca), best approximations (Expandir a busca), dct approximation (Expandir a busca)
stability prediction » reliability prediction (Expandir a busca), stability purification (Expandir a busca), quality prediction (Expandir a busca)
prediction python » prediction method (Expandir a busca), prediction methods (Expandir a busca), prediction with (Expandir a busca)
algorithms in » algorithms and (Expandir a busca), algorithms _ (Expandir a busca), algorithm _ (Expandir a busca)
routines and » routine and (Expandir a busca), routing and (Expandir a busca), routes and (Expandir a busca)
in stability » on stability (Expandir a busca), and stability (Expandir a busca), of stability (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 object approximation algorithms in stability prediction python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routines and object approximation algorithms in stability prediction python computer*.