Talvez deva tentar algumas variações de ortografia:
functions programming » functional programming (Expandir a busca), funcional programming (Expandir a busca), fractional programming (Expandir a busca)
generic functions » generic function (Expandir a busca), genetic function (Expandir a busca), genetic functional (Expandir a busca)
person generic » person centric (Expandir a busca), peron genero (Expandir a busca), versus generic (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder person » older person (Expandir a busca), elder person (Expandir a busca), older persons (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder person generic functions programming ) OR ( _ python python python programming ))~.