Talvez deva tentar algumas variações de ortografia:
coder relations » border relations (Expandir a busca), power relations (Expandir a busca), over relations (Expandir a busca)
on extraction » green extraction (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
relations on » relations of (Expandir a busca), relations _ (Expandir a busca), relationships on (Expandir a busca)
using codigo » using indigo (Expandir a busca), using coding (Expandir a busca), using codium (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder relations on extraction methods ) OR ( using codigo python python programming ))~.