Talvez deva tentar algumas variações de ortografia:
protein functions » protein function (Expandir a busca), protein fractions (Expandir a busca), protein fraction (Expandir a busca)
perl programming » cell programming (Expandir a busca), period programming (Expandir a busca), fetal programming (Expandir a busca)
functions perl » functions pell (Expandir a busca), functions pen (Expandir a busca), functions taper (Expandir a busca)
coder protein » copper protein (Expandir a busca), model protein (Expandir a busca), lower protein (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (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 protein functions perl programming ) OR ( using in python python programming ))~.