Talvez deva tentar algumas variações de ortografia:
approximation algorithm » approximation algorithms (Expandir a busca), propagation algorithm (Expandir a busca)
relative expression » creative expression (Expandir a busca)
using computation » using computational (Expandir a busca), using compilation (Expandir a busca), in computation (Expandir a busca)
expression using » expression parsing (Expandir a busca), expression in (Expandir a busca), expression and (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca), algorithm to (Expandir a busca)
and relative » and creative (Expandir a busca), and related (Expandir a busca)
routines in » routing in (Expandir a busca)
in function » in functional (Expandir a busca), _ function (Expandir a busca), in fiction (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 in function approximation algorithm AND relative expression using computation~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routines in function approximation algorithm and relative expression using computation*.