Talvez deva tentar algumas variações de ortografia:
programming modulus » programming models (Expandir a busca), programming model (Expandir a busca), programming tools (Expandir a busca)
python programming » math programming (Expandir a busca)
algorithm and » algorithms and (Expandir a busca), algorithm _ (Expandir a busca), algorithm to (Expandir a busca)
using python » usando python (Expandir a busca), in python (Expandir a busca), using paths (Expandir a busca)
coating and » routing and (Expandir a busca), cutting and (Expandir a busca), eating and (Expandir a busca)
coating on » coatings on (Expandir a busca), coating of (Expandir a busca), coating _ (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: using python programming modulus algorithm AND ((coating on) OR (coating and)) python computer~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "using python programming modulus algorithm and ((coating on) OR (coating and)) python computer~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: using python programming modulus algorithm and ((coating on) OR (coating and)) python computer*.