Talvez deva tentar algumas variações de ortografia:
programming approximation » programming verification (Expandir a busca)
national programmation » regional programmation (Expandir a busca), national formation (Expandir a busca)
programmation python » programacao python (Expandir a busca), programacion piton (Expandir a busca)
algorithms using » algorithms in (Expandir a busca), algorithms and (Expandir a busca), algorithms with (Expandir a busca)
and programming » math programming (Expandir a busca), cone programming (Expandir a busca), java programming (Expandir a busca)
using national » using natural (Expandir a busca), business national (Expandir a busca), feeding national (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 programming approximation algorithms using national programmation python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and programming approximation algorithms using national programmation python computer*.