Talvez deva tentar algumas variações de ortografia:
selection methods » detection methods (Expandir a busca)
power functions » power function (Expandir a busca), motor functions (Expandir a busca), taper functions (Expandir a busca)
functions some » frictions some (Expandir a busca), injunctions some (Expandir a busca), functions since (Expandir a busca)
some selection » some reflection (Expandir a busca), site selection (Expandir a busca), mode selection (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (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: (( power functions some selection methods ) OR ( using codigo python python programming ))~.