Talvez deva tentar algumas variações de ortografia:
functions variation » function variation (Expandir a busca), functions variational (Expandir a busca), functional variation (Expandir a busca)
variation program » valuation program (Expandir a busca), vaccination program (Expandir a busca), evaluation program (Expandir a busca)
coder functions » power functions (Expandir a busca), order functions (Expandir a busca), colour functions (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder functions variation program ) OR ( api python python python programming ))~.