Talvez deva tentar algumas variações de ortografia:
python programming » math programming (Expandir a busca)
programming on » programming of (Expandir a busca), programming in (Expandir a busca), programming and (Expandir a busca)
risk functions » cost functions (Expandir a busca), real functions (Expandir a busca), hash functions (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca)
meta modeling » data modeling (Expandir a busca), data modelling (Expandir a busca), meta modelo (Expandir a busca)
modeling risk » modeling task (Expandir a busca), modeling in (Expandir a busca), modeling bim (Expandir a busca)
on algorithm » an algorithm (Expandir a busca), and algorithm (Expandir a busca), ant algorithm (Expandir a busca)
and meta » and mental (Expandir a busca), and media (Expandir a busca), and meat (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: _ python programming on algorithm AND meta modeling risk functions~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: _ python programming on algorithm and meta modeling risk functions*.