Talvez deva tentar algumas variações de ortografia:
approximation algorithm » approximation algorithms (Expandir a busca), propagation algorithm (Expandir a busca)
classifier detection » classifier selection (Expandir a busca), classifiers selection (Expandir a busca), carrier detection (Expandir a busca)
methods computation » networks computation (Expandir a busca), network computation (Expandir a busca)
knn classifier » of classifier (Expandir a busca), band classifiers (Expandir a busca)
algorithm knn » algorithm and (Expandir a busca), algoritmo knn (Expandir a busca), algorithm on (Expandir a busca)
and function » and functional (Expandir a busca), and fiction (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 function approximation algorithm knn classifier detection methods computation~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and function approximation algorithm knn classifier detection methods computation*.