Talvez deva tentar algumas variações de ortografia:
effective programming » objective programming (Expandir a busca), collective programming (Expandir a busca), reactive programming (Expandir a busca)
superstring effective » supporting effective (Expandir a busca), ensuring effective (Expandir a busca), selecting effective (Expandir a busca)
some superstring » the superstring (Expandir a busca), open superstring (Expandir a busca), of superstring (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)
python some » python salome (Expandir a busca), python code (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 ( python some superstring effective programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder python coding python programming ) OR ( python some superstring effective programming ))*.