Talvez deva tentar algumas variações de ortografia:
obstructive programming » objective programming (Expandir a busca), structured programming (Expandir a busca), disjunctive programming (Expandir a busca)
and obstructive » in obstructive (Expandir a busca), apnea obstructive (Expandir a busca), of obstructive (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (Expandir a busca)
python and » python based (Expandir a busca)
in python » _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder python and obstructive programming ) OR ( in python python python programming ))~.