Talvez deva tentar algumas variações de ortografia:
programming integer » programming linear (Expandir a busca), programming interfaces (Expandir a busca), programming interface (Expandir a busca)
schedule algorithm » scheduling algorithm (Expandir a busca), scheduling algorithms (Expandir a busca)
python programming » math programming (Expandir a busca)
programs schedule » program schedule (Expandir a busca), programa cedula (Expandir a busca)
integer model » integral model (Expandir a busca), integer mixed (Expandir a busca), integrated model (Expandir a busca)
algorithm on » algorithms on (Expandir a busca), algorithm of (Expandir a busca), algorithm and (Expandir a busca)
codigo and » codigo bad (Expandir a busca), codigo nc (Expandir a busca), codigo 2d (Expandir a busca)
on python » in python (Expandir a busca), of python (Expandir a busca), _ python (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: codigo AND programs schedule algorithm on python programming integer model~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: codigo and programs schedule algorithm on python programming integer model*.