Talvez deva tentar algumas variações de ortografia:
formal refactoring » from refactoring (Expandir a busca), formal reasoning (Expandir a busca)
refactoring based » refactoring and (Expandir a busca), beaconing based (Expandir a busca)
based programming » and programming (Expandir a busca), based program (Expandir a busca), cone programming (Expandir a busca)
python coding » python codigo (Expandir a busca), action coding (Expandir a busca), python code (Expandir a busca)
coding python » codigo python (Expandir a busca), codigos python (Expandir a busca), using python (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (Expandir a busca)
coder formal » poder formal (Expandir a busca), poder forma (Expandir a busca), poder formas (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( coder python coding python programming ) OR ( coder formal refactoring based programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder python coding python programming ) OR ( coder formal refactoring based programming ))*.